Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable.

Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. T

he 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.

Specifications

Footnote: Maximum working loads and breaking loads for blocks based on cam strengths.  Sheave Ø (mm): 40 mm Sheave Ø (in): 1 9/16 in Length (mm): 115 mm Length (in): 4 1/2 in Weight (g): 125 g Weight (oz): 4.4 oz Shackle pin Ø (mm): 4 mm Shackle pin Ø (in): 5/32 in Maximum line Ø (mm): 6 mm Maximum line Ø (in): 1/4 in Maximum working load (kg): 204 kg Maximum working load (lb): 450 lb Breaking load (kg): 680 kg Breaking load (lb): 1500 lb