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

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Harken 57mm Ratchamatic Block-Swivel, Becket

Murrays Part# 28-2626

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 57MM RATCHAMATIC BLOCK-SWIVEL,BECKET

Harken 57mm T2™ Soft-Attach Ratchamatic Block-1.5x Grip

Murrays Part# 28-2167

Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in tandem with the purchase that provides the ideal level of power, responsiveness and grip. The patented T2 Ratchamatic is Harken’s newest block to feature the T2 line’s styling and soft-attachment system.

HARKEN 57MM T2 SOFT-ATTACH RATCHAMATIC BLOCK-1.5 GRIP

HARKEN 57MM T2 LOOP SOFT-ATTACH BLOCK

Harken 57mm Ratchamatic HTE Block-Swivel, 1.5x Grip

Murrays Part# 28-2165HTE

The Harken 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. The spring on the HTE (high-threshold engage) version of the 57 mm Carbo Ratchamatic blocks was made stiffer to delay the point where the ratchet engages, allowing the block to run free more of the time

HARKEN 57MM RATCHAMATIC HTE BLOCK-SWIVEL, 1.5X GRIP

Harken 18mm Fly Soft-Attach Double Block
Murrays part# 28-2158
Harken soft-attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working load for their small size. Fly blocks are perfect for use on foiling dinghies and sport boats and for vang cascades and backstay systems on Grand-Prix racers.

HARKEN 18MM FLY SOFT-ATTACH DOUBLE BLOCK

RONSTAN SERIES 40 BALL BEARING ORBIT BLOCK, TRIPLE, SHACKLE HEAD

RONSTAN SERIES 40 BALL BEARING ORBIT BLOCK, LASHING SNATCH BLOCK

RONSTAN SERIES 15 BALL BEARING CHEEK BLOCK WITH TWO FASTENING HOLES

Ronstan Series 15BB Block, Stand-up Loop

Features:

Smallest and lightest ball bearing block available
Precision molded acetal sheave running on stainless steel ball bearings provide high performance

RONSTAN SERIES 15BB BLOCK, STAND UP LOOP

Ronstan Series 15 Ball Bearing Single Block with Loop Top and Becket

Murrays Part# 21-15111

This is a great little block, for weight, durability and working loads.

Features:

Smallest and lightest ball bearing block available
Precision molded acetal sheave running on stainless steel ball bearings provide high performance low friction
Single loop head blocks include an O-ring to separate running line from head lashing or fixing.

RONSTAN SERIES 15 BALL BEARING SINGLE BLOCK WITH LOOP TOP AND BECKET

Harken 3.00" Block-Swivel

Murrays Part# 28-0005

The 3.00 (76 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers.

HARKEN 3.00" BLOCK-SWIVEL

NACRA Masthead Sheave 460/ 5.0/ 5.2/ 5.7 - 30160

Replacement mast head sheave for a Nacra 460, 5.0, 5.2 and 5.7.

Nacra part number 30160

NACRA MASTHEAD SHEAVE

Ronstan Mast Head Sheave (European)

Murrays Part# 51-13041700

This is a downhaul sheave for the basic Hobie 16 Downhaul system. Hobie Europe factory replacement "halyard" sheave. But by the looks of their parts list its a down haul sheave that goes on the bottom of the gooseneck.

RONSTAN MAST HEAD SHEAVE (EUROPEAN)

Harken 40mm Fiddle Block -Swivel, Cam Cleat
Murrays Part# 28-2657
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, CAM CLEAT

Harken 57mm Triple Ratchet Block-Swivel, 40 mm Side Carbos, Cam Cleat

Murrays Part# 28-8454

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.

HARKEN 57MM TRIPLE RATCHET BLOCK-SWIVEL, 40MM SIDE CARBOS, CAM CLEAT

Harken 57mm 5-Sheave Block-Swivel

Murays Part# 28-2762

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 57MM 5-SHEAVE BLOCK-SWIVEL

Harken 57mm Block-Swivel

Murrays Part# 28-2600

The Harken 57mm Carbo Block with Swivel is a low-friction Carbo Air block that is lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. They can be used to replace the single Seaway blocks on a Hobie mainsheet system. Ideal for 8-10m lines, common on many classes of dingy and small catamarans.

HARKEN 57MM BLOCK-SWIVEL

Harken 51mm Wire Block-Becket

Murrays Part# 28-0314

The Harken 51 mm Wire Block - Becket is Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.

HARKEN 51MM WIRE BLOCK-BECKET

Harken 38mm Wire Through-Deck

Murrays 28-0306

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.

Harken Part# 306

HARKEN 38MM WIRE THOUGH-DECK

Harken16mm Forkhead Block
Murrays Part# 28-0376
16 mm Forkhead Block 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 # 376

HARKEN 16mm FORK HEAD BLOCK

Harken 75mm Triple Ratchamatic Block-Swivel, Becket, Cam Cleat, 57mm Block

Murrays Part# 28-2687

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 75MM TRIPLE RATCHAMATIC BLOCK-SWIVEL, BECKET, CAM CLEAT, 57MM BLOCK

Harken Block 57mm T2 Soft-Attach Ratchet Block for catamarans, this tie-on block eliminates the need for shackles, posts, swivels, etc. It is ultra-lightweight and sized like a bullet-block.

Specifications:

2-1/4" sheave diameter
500 lb. SWL
2000 lb. breaking strength
3/8" maximum line diameter

Harken Part # 2160

HARKEN 57MM T2 SOFT-ATTACH RATCHAMATIC BLOCK

Ronstan Series 15 Kite Block, Black with White Sheave

Murrays Part# 21-13101

Ronstan's little block has twice the working load of their previous kite block (black RF668) with half the weight. Replace older, heavier blocks now! 300# SWL; Sheave diameter 5/8"; max. line size 5/32".

RONSTAN SERIES 15 KITE BLOCK, BLACK WITH WHITE SHEAVE

Oxen Sheave Self-Locking

Murrays Part# 005-0761-00

OXEN BLOCK SELF-LOCKING SHEAVE

Harken 29mm Wire Bullet Block-Swivel

Murrays Part# 28-0183

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 lines applications. ire Bullet blocks use roller bearings to carry higher loads and feature hardcoat-anodized PTFE impregnated aluminum sheaves for strength and corrosion resistance.

HARKEN 29MM WIRE BULLET BLOCK-SWIVEL

Harken 38mm Big Bullet Block-Swivel

Murrays Part# 28-0168

Low-friction bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads.

Harken's big single bullet block with swivel has free-rolling Delrin® ball bearings. Sheave and sideplates are UV-stabilized with carbon-black additive for maximum protection.

HARKEN 38MM BIG BULLET BLOCK-SWIVEL

HARKEN 38MM BIG BULLET BLOCK-BECKET

Harken 29mm Wire Bullet Block

Murrays Part# 28-0098

Low-friction bullet blocks lead control lines aft. This 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. This wire bullet block uses roller bearings to carry higher loads and features Hardkote-anodized Teflon®-impregnated aluminum sheaves for strength and corrosion resistance.

HARKEN 29MM WIRE BULLET BLOCK

Harken 3.00" Hexaratchet® Block-Swivel, Starboard

Murrays Part# 28-0009

Hexaratchets grip loaded sheets, yet allows sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism. Use the 043 or 044 revers ratchets with the 019 and 009 singles or 050 single with becket on spinnaker and jib sheets where ratchets rotate in opposite directions and on/off switches face up.

HARKEN 3.00" HEXARATCHT BLOCK-SWIVEL, STARBOARD

Harken 22mm Block-Swivel

Murrays Part# 28-0292

Low Friction Micro Blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies and lightly loaded control lines on boats of all sizes.

HARKEN 22MM BLOCK-SWIVEL

Harken 29mm Double Bullet Block-Becket

Murrays Part# 28-0085

Medium-size Harken double bullet block with becket 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. Free-rolling Delrin® ball bearings. Sheave and sideplates are UV-stabilized with carbon-black additive for maximum protection.

HARKEN 29MM DOUBLE BULLET BLOCK-BECKET

Harken Block Double with Becket 2.25"

Harken PN 004

Sheave Size 57mm 2.25 Inches

Max Line Size 12MM  7/16"

Max Working Load 454kg  1000lb

Breaking Load 1361kg 3000lb

The 2.25 in (57mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers.

HARKEN 2.25" BLOCK DOUBLE WITH BECKET

HARKEN 2.25" BLOCK DOUBLE

Harken 40mm Quad Block

Murrays Part# 28-2654

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 40MM QUAD BLOCK

Harken 57mm Triple Ratchamatic® Block-Swivel, Cam Cleat, 40 mm Block

Murrays Part# 28-2632

The Harken 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. Shifting between ratchet and light air modes is seamless. Unloaded, the sheet runs freely during mark roundings and jibes. Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style.

HARKEN 57MM TRIPLE RATCHAMATIC BLOCK-SWIVEL, CAM CLEAT, 40MM BLOCK

Harken 7:1 Carbo Ratchamatic Base Block. Harken HSB360

HARKEN BLOCK 7:1 CARBO RATCHAMATIC BASE

HARKEN 57MM QUAD BLOCK-SWIVEL

Harken 57mm Double Ratchamatic Block-Swivel

Murrays Part# 28-2634

The 57mm Harken 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 57MM DOUBLE RATCHAMATIC BLOCK-SWIVEL

Harken 57mm Carbo Boom Block
6-Sheave

Murrays Part# 28-10925

Harken 57mm Carbo Blocks have an enormous working range and a very high strength-to-weight ratio. This 57mm Carbo boom block has 6 sheaves. A swivel keeps the boom block aligned with your base block.

HARKEN 57MM CARBO BOOM BLOCK 6-SHEAVE

Harken 40mm 90° Block

Murrays Part# 28-2659

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 Part# 2659

HARKEN 40MM 90° BLOCK

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