SB20 Harken 57mm Gennaker Sheet Forward Ratchet Block

57mm Harken Carbo Ratchet blocks allow you to hold your ropes in your hand and offer balance between holding power and controlled easing.

This 57mm ratchet block has an on/off switch so the ratchet can quickly be turned off when not needed. It also swivels so the block goes in the direction the rope is coming from.

Specification

• Sheave - 57mm
• Maximum line - 10mm
• Maximum working load - 227kg
• Length - 103mm
• Weight - 85g
• Shackle pin - 5mm
• Breaking load - 907kg
• Holding power - 10:1