Harken 57mm Double Swivel Carbo Ratchet Block

Harken 57mm Double Swivel Carbo Ratchet Block

Carbo ratchet blocks allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Machined aluminum sheaves are Hard Lube-anodized for strength and corrosion resistance. Eight facets hold line securely. Switchable ratchets provide precise control with an accessible on/off switch that is easy-to-operate from both sides of the block.

The 57mm switchable ratchet provide precise on/off control with accessible, easy-to-operate on/of switches on both sides of the block. The 57mm provides up to 10:1 holding power. Best for main/jib/spinnaker sheets, mainsheet fine-tune, traveler controls, genoa leads, foreguys.

Specifications:

Sheave dia. - 2 1/4in (57mm)

Length - 4 9/16in (116mm)

Weight w/shackle - 6.9oz (195g)

Max. line dia. - 3/8in (10mm)

Shackle pin dia. - 1/4 in (6mm)

SWL - 750lb (340kg)

Breaking strength - 1875lb (851kg)