Harken 57mm 5:1 Manual Base Block

Murrays PN 28-2140

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. This is the block you need if you'd like to get a manual ratchet base block for your H16 Race mainsheet system.

This block can be used as base for 6:1 system if a fairlead is added above the cleat.

Specifications:

• Sheave diameter: 2-1/4" (57mm)
• Length: 4-1/16" (103mm)
• Weight: 14.9 oz (421 g)
• Shackle pin diameter: 1/4" (6mm)
• Maximum line diameter: 3/8" (10mm)
• Maximum working load: 1500 lb. (680 kg)*
• Breaking load: 3750 lb. (1700 kg)*
• Holding power with 180 degree wrap 50 lb. (23 kg): 10:1
• Maximum working load and breaking load for blocks based on cam strengths.

This block replaces item #28-0152.