Sheave: 40 mm (1 9/16 in)
Length: 115 mm (4 1/2 in)
Weight: 51 g (1.8 oz)
Shackle Pin: 4 mm (5/32 in)
Maximum Line: 10 mm (3/8 in)
Maximum Working Load: 220 kg (485 lb)
Breaking Load: 735 Kg (1620 lb)

Low-friction Carbo Air blocks are lightweight, strong, reliablend affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.

Click here to read the Instructions Sheet