Harken 75mm Single Swivel Carbo Ratchet BlockSheave dia. - 2 15/16in (75mm)
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Nylon resin sideplates are densely packed with long glass fibers for a compact block with a high strength-to-weight ratio. Machined aluminum sheaves are Hardkote anodized for strength and corrosion resistance. Eight facets hold line securely. Free-rolling ball bearings, sheave and sideplates UV stabilized with black additive for maximum protection. The 75mm switchable ratchet provide precise on/off control with accessible, easy-to-operate on/off switches on both sides of the block. The 75mm provides up to 15:1 holding power.
Best for main/jib/spinnaker sheets, mainsheet fine-tune, traveler controls, genoa lead, foreguy.
Length - 5 3/8in (137mm)
Weight w/shackle - 8oz (227g)
Max. line dia. - 7/16in (12mm)
Shackle pin dia. - 1/4" (6 mm)
SWL - 750lb (341kg)
Breaking strength - 3000lb (1361kg)