Harken 75mm Carbo Single Block With Swivel Head/150 Cam-Matic and Becket Sale_20plus They are a great all-round

They are a great all-round glove for a multitude of water sports

Sheave 40 mm Length  110 mm Weight  235 g Shackle Pin  5 mm Maximum Line  6 mm  Maximum Working Load  408 kg Breaking Load  816 kg Footnote: Maximum working loads and breaking loads for blocks based on cam strengths

Breaking Load 1000 kg Fixing Hole Centers  - Length  48 mm Maximum Line Diameter  8 mm Maximum Working Load  500 kg Shackle Pin  - Weight  55 g

Sheave - 29mm Diameter

Harken 75mm Carbo Single Block With Swivel Head/150 Cam-Matic and Becket Sale_20plus They are a great all-roundLow 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 75 mm Length 165 mm Weight 397 g Shackle Pin 6 mm Maximum Line 12 mm Maximum Working Load 272 kg Breaking Load 680 kg Footnote: Maximum working loads and breaking loads for blocks based on cam strengths.