Harken 29mm Carbo Single Block Shipping_Standard adjustable fit that holds through

adjustable fit that holds through tacks and gybes without needing to be retightened mid-race

Sheave 75 mm Length  178 mm Weight  805 g Shackle Pin  8 mm Maximum Line  12 mm  Maximum Working Load  816 kg Breaking Load  2040 kg Footnote: Maximum working loads and breaking loads for blocks based on cam strengths

Side compression straps:

Open Length 165mm

Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks

Harken 29mm Carbo Single Block Shipping_Standard adjustable fit that holds throughLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Sheave 29 mm Length 49 mm Weight 23 g Maximum Line 8 mm Maximum Working Load 150 kg Breaking Load 454 kg