Sailing Blocks & Pullies

Sailing Blocks & Pullies

165 products

    Blocks and pullies for Hobie, Nacra and Prindle catamarans.  Mainsheet, Jib sheet, cheek blocks, halyard blocks, replacement sheaves, single, double, triple and quad blocks.

    165 products
    Harken 29mm Double Bullet Block Murrays Part# 28-0084 Medium-size Harken double bullet block has Delrin ball bearings and works well for control line or jib sheeting lines. The low-friction bullet block is compact and lightweight, with fast trim and release under high or low loads.
    HARKEN 29MM DOUBLE BULLET BLOCK
    Harken
    Harken 57mm Triple Block-Swivel Murrays Part# 28-2604 Harken's low-friction Carbo AirBlock® is lightweight, strong, reliable and affordable. It has an enormous working range, with a very high working load for safe, easy trimming. It has a higher working load than standard blocks, even though it is lighter in weight! Use with #28-2629 base block for a 6:1 carbo low-profile mainsheet system. Can be used as top block for H16 6:1 mainsheet system or a light air H18 6:1 mainsheet system.
    HARKEN 57MM TRIPLE BLOCK-SWIVEL
    Harken
    Harken 40mm Triple Block - Swivel Murrays Part# 28-2640 Low-friction Carbo AirBlocks® are lightweight, strong, reliable and affordable. These small, compact blocks have very high working loads for safe, easy trimming. This is a fantastic block for a performance AND economical H16 mainsheet system top block. Use it with a 57mm base block for 6:1 performance system.
    HARKEN 40MM TRIPLE BLOCK SWIVEL
    Harken
    Harken 16mm Single Murrays Part# 28-0404 The Harken air block offers a very high load in an extremely lightweight block. Excellent for control lines. The block itself is only 1-1/8" long. The 5/8" sheave will accept line as large as 7/32". 250 lb. SWL; 1200 lb. breaking strength.
    HARKEN 16MM SINGLE
    Harken
    Harken 57mm Carbo Ratchamatic 12:1 Low-Profile Mainsheet System Murrays Part# 28-121 The Harken 57mm Carbo Ratchamatic 12:1 Low-Profile Mainsheet System is a Light weight, low profile and very strong. These Carbo AirBlocks® have enormous working range, with a higher working load than standard blocks, even though they are lighter in weight! The Carbo Ratchmatic® is a load-sensing ratchet block that rolls freely in both directions under low loads, and automatically engages the ratchet as loads increase.
    HARKEN 57mm CARBO 12:1 SYSTEM
    Harken
    Harken 57mm Carbo Ratchamatic 7:1 Low-Profile Mainsheet System Murrays Part# 28-71 The Harken 7:1 Mainsheet System includes a 57mm Triple Carbo Ratchamatic Base with 40mm Carbo single (Harken #HSB360) added on to it and a 57mm Triple with becket boom block (Harken #2605) By adding the 40mm Carbo single to the base block we have turned this into a low profile 7:1 Mainsheet system. line is not included. Safe working load is 1500 pounds; breaking strength is 3750 pounds.
    HARKEN 57MM CARBO RATCHAMATIC 7:1 LOW-PROFILE MAINSHEET SYSTEM
    Harken
    Harken 22mm High-Load 1250 Car-Pivoting Sheaves, Swivel Cam Murrays Part# 28-2766 The Harken 1250 High Load Traveler Car With Aluminum Cam is a replacement main traveler car for the Hobie 20 and most Nacra catamarans. It has captive bearings works with the 2003 and newer track and can be adapted to be used on the older non captive ball tracks used prior to 2003.
    HARKEN 22MM HIGH-LOAD 1250 CAR-PIVOTING SHEAVES, SWIVEL CAM
    Harken
    Harken 29mm Cheek Block Murrays Part# 28-0350 Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
    HARKEN 29MM CHEEK BLOCK
    Harken
    Harken 29mm Stand-up Block Murrays Part# 56-31297 Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.  Specifications: 330 lb. SWL 1000 lb. breaking strength 5/16" maximum line diameter 1-1/8" sheave diameter 2-3/16" long Harken Part #349 Nacra Part# 31297
    HARKEN 29MM STAND-UP BLOCK
    Harken
    HARKEN 57MM RATCHET BLOCK-SWIVEL, 1.5 GRIP
    Harken
    Harken Micro Carbo-Cam Kit-Wire Fairlead Murrays Part# 28-0473 ​Wire fairleads maintain a low profile while holding the line close to the cleat. Kit includes lightweight, fiber-reinforced 471 Carbo Cam, and 475 wire fairlead.
    HARKEN MICRO CARBO-CAM KIT-WIRE FAIRLEAD
    Harken
    Harken 40mm Ratchet Block-Swivel, Becket, Cam Cleat Murrays Part# 28-2611 ​Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.
    HARKEN 40MM RATCHET BLOCK-SWIVEL, BECKET, CAM CLEAT
    Harken
    16mm Block -Removable Sheave Murrays Part# 28-0294sp SPECIFICATIONS Sheave Ø (mm) 16 mm Sheave Ø (in) 5/8 in Length (mm) 29 mm Length (in) 1 1/8 in Weight (g) 5 g Weight (oz) 0.2 oz Maximum line Ø (mm) 5 mm Maximum line Ø (in) 7/32 in Maximum working load (kg) 113 kg Maximum working load (lb.) 250 lb. Breaking load (kg) 544 kg Breaking load (lb.) 1200 lb. Part No. HSB294
    HARKEN 16MM BLOCK-REMOVABLE SHEAVE
    Harken
    57mm Harken Ratchamatic Block — Swivel, Becket, Cam Cleat Murrays PN 28-2628 ​The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Harken Part No. 2628​ HOBIE 18 JIB SHEET BLOCK - HARKEN 60330041
    HARKEN 57MM RATCHAMATIC - SWIVEL, BECKET, CAM CLEAT
    Harken
    Harken 16mm Flip-Flop Block Murrays Part# 28-0437 The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb. (113 kg) maximum working load. Harken Part# 437
    HARKEN 16MM FLIP-FLOP BLOCK
    Harken
    Harken 57mm Ratchet Block-Swivel Murrays Part# 28-2135 Harken 57mm Ratchet Block With Swivel and Switch allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. The on/off switch operates from both sides. Standard grip: medium/light air; 10:1 holding power
    HARKEN 57MM RATCHET BLOCK-SWIVEL
    Harken
    Out of Stock
    H16 Masthead Sheave Spacer Murrays Part# 50-20614231 H16 Masthead Sheave Spacer. This is a replacement bearing surface for the comptip masthead sheaves in H16 mastheads. Fits Hobie Getaway Masthead Sheaves Hobie Part# 20644231
    H-16 MASTHEAD SHEAVE SPACER
    Hobie
    HARKEN 40MM T2 LOOP SOFT-ATTACH BLOCK
    Harken
    The Harken 2149 40mm T2 tie-on block eliminates the need for shackles, posts, swivels, etc. It is ultra-lightweight and sized like a bullet-block.
    HARKEN 40MM T2 SOFT-ATTACH BLOCK
    Harken
    HOBIE JIB HALYARD BLOCK SHEAVE Murrays PN 50-61260000 Hobie® factory replacement sheave for jib halyard block. Used on Hobie 16s and 18s. Hobie part number 61260000 and 61260010
    HOBIE JIB HALYARD BLOCK SHEAVE
    Hobie
    GETAWAY MAST HEAD SHEAVE Replacement Hobie Getaway mast head sheave. Hobie part number 37611001
    GETAWAY MASTHEAD SHEAVE
    Hobie
    HOBIE 20 DOWNHAUL SHEAVE - 40700541 Hobie factory replacement downhaul sheave for Hobie® 20 mast. UV-stabilized.   SPECS: 1/2" wide by 1 5/32" diameter, 1/4' hole.
    H-20 DOWNHAUL SHEAVE
    Hobie
    Ronstan Single Lead Block Murrays Part# 21-2379 Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. This Ronstan lead block features U.V.-stabilized Acetal sheave and grade 316 stainless steel load housing. Typically used in dinghy spars for control lines.
    RONSTAN SINGLE LEAD BLOCK
    Ronstan
    RONSTAN SERIES 30 BALL BEARING ORBIT BLOCK, BECKET AND SWIVEL SHACKLE
    Ronstan
    Harken 2698 18mm FLY SOFT-ATTACH BLOCK
    HARKEN 18MM FLY SOFT-ATTACH BLOCK
    Harken
    Harken Sheave Ball Bearing 16mm The Harken Sheave Ball Bearing 16mm is the replacement for Harken 16mm air blocks. UV-stabilized Delrin® sheave with stainless steel ball bearings. Specifications: 5/8" sheave diameter; 3/16" hole diameter, 5/16" wide; 3/16" maximum line diameter; 250 lb. safe working load. Harken #415.
    HARKEN 16MM SHEAVE
    Harken
    Harken 22mm Traveler Block Murrays Part# 28-0232 Low-friction, back-to-back micro blocks are compact and lightweight. Specifications: 200 lb. SWL 1200 lb. breaking strength 1/4" maximum line diameter 7/8" sheave diameter 2-3/4" long Harken Part# 232 Hobie Cat® Part# H232
    HARKEN 22MM TRAVELER BLOCK
    Harken
    Harken Triple Micro Block Murrays Part# 28-0228 Harken 22mm ball bearing micro triple block with stainless side plates. Specifications: 1/4" maximum line capacity 500 lb. SWL 1200 lb. breaking strength 7/8" sheave 2" long Harken Part# 228 Hobie part# H228 
    HARKEN TRIPLE MICRO BLOCK
    Harken
    Harken 29mm Bullet Block-Swivel, Becket Murrays Part# 28-0167 Medium-size Harken single bullet block with swivel and becket has Delrin ball bearings. The low-friction bullet block is compact and lightweight, with fast trim and release under high or low loads. Free-rolling Delrin® ball bearings. Sheave and sideplates are UV-stabilized with carbon-black additive for maximum protection.
    HARKEN 29MM BULLET BLOCK-SWIVEL, BECKET
    Harken
    Harken 40mm Ratchet Block-Swivel Murrays Part# 28-2608 This small ratchet with on/off switch is ideal for jib sheets and spinnakers on small dinghies where size and weight are critical. Eight-faceted machined aluminum sheave holds line securely. Hard coat anodizing provides durability.
    HARKEN 40MM RATCHET BLOCK-SWIVEL
    Harken
    Harken 38mm Big Bullet Block Murrays Part# 28-0125 Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.
    HARKEN 38MM BIG BULLET BLOCK
    Harken
    Harken Block Double Micro Murrays Part# 28-0226 Harken ball bearing micro double block with stainless side plates. Low-friction Micro blocks are compact and lightweight, making them ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Specifications: 1/4" maximum line capacity 350 lb. SWL 1200 lb. breaking strength 2" long Harken Part# 226 Hobie Part# H226S
    HARKEN BLOCK DOUBLE MICRO
    Harken
    Harken 57mm Single Carbo Ratchamatic Block Murrays Part# 28-2625 Under low loads, this lightweight, high strength Harken 2-1/4" ratchet block rolls freely in both directions like a non-ratcheting block, but automatically engages the ratchet mechanism as loads increase, giving sailors an additional holding power of 10:1. Specifications: 500 lb. SWL 2000 lb. breaking strength 3/8" maximum line diameter 2-1/4" sheave diameter 4-1/16" long Weighs 3.7 oz. 3/16" shackle pin diameter Harken Part# 2625
    HARKEN 57mm SINGLE CARBO RATCHAMATIC BLOCK
    Harken
    Harken 40mm Block - Swivel Murrays Part# 28-2636 Carbo AirBlocks® are 60% stronger and 30% lighter than Harken's classic blocks. Use the 40mm Carbo for jib and mainsheet systems on high-performance dinghies and for loaded control lines on small keelboats.
    HARKEN 40MM BLOCK-SWIVEL
    Harken
    Harken 344 Harken’s compact 29mm Carbo block is extremely strong. This block features a U-lock to hold the swivel in front/side position, or to let it spin freely. The triple’s compact cam arm supports high-load purchases of 5:1 or 6:1. Specifications: 990 lb. SWL 2000 lb. breaking strength 5/16" maximum line diameter 3/16" shackle pin diameter 2-7/8" long Harken #344.
    HARKEN 29MM TRIPLE BLOCK-SWIVEL
    Harken
    Harken 40mm Fiddle Block - Swivel Murrays Part# 28-2655 Harken's Carbo fiddle block features high-load ball bearings with fitted races for low-friction operation. The 40 mm fiddle is an excellent choice for a Hobie® 20 barber hauler block, for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.
    HARKEN 40MM FIDDLE BLOCK-SWIVEL
    Harken
    Harken 29mm Block - Swivel Murrays Part# 28-0340 Harken's compact 29mm Carbo block is extremely strong. Use as a mainsheet block on small boats or for low-friction control block on any size boat. Specifications: 330 lb. SWL 1000 lb. breaking strength 5/16" maximum line diameter 5/32" shackle pin diameter 2-5/8" long Weight with shackle .9 oz. Harken Part# 340
    HARKEN 29MM BLOCK-SWIVEL
    Harken
    Harken 29mm Double Block - Swivel Murrays Part# 28-0342 This compact double block is extremely strong and features a U-Lock to hold the swivel in front/side position, or to let it spin freely. Use this miniature Carbo as a mainsheet block on small dinghies such as the Optimist, to increase downhaul, or for low-friction control blocks on any size boat.
    HARKEN 29mm DOUBLE BLOCK-SWIVEL
    Harken
    Harken 16mm Block-Becket Murrays Part# 28-0405 The Harken air block offers a very high load in an extremely lightweight block. Excellent for control lines. The overall length is only 1-1/2" long. The 5/8" sheave will accept line as large as 7/32". 250 lb. SWL; 1200 lb. breaking strength.  The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb.
    HARKEN 16MM BLOCK-BECKET
    Harken
    FIDDLE BLOCK W/SWIVEL Use this economical medium fiddle block with cleat and becket for 4:1 righting aids. 3/16 to 3/8" line capacity.
    FIDDLE BLOCK WITH SWIVEL
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