57mm Harken Carbo Ratchet Block x 1.5 Grip
57mm Harken Carbo Ratchet blocks now in Power 3 versions, this 57mm block allows 1.5 times the grip of a normal Harken pulley block.
This block allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. The extra grip within the sheave helps with the hold.
This block has an on/off switch so the ratchet can quickly be turned off when not needed.
- Sheave Ø (mm) - 57 mm
- Length - 103 mm
- Weight - 85 g
- Shackle pin Ø - 5 mm
- Maximum line Ø (mm) - 10 mm
- Maximum working load (kg) - 227 kg
- Breaking load - 907 kg
- Holding power - 15:1