40 mm Fiddle Block - Swivel

Low-friction Carbo AirBlocks® 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. 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.

• Sheave Ø (mm)40 mm
• Sheave Ø (in)1 9/16 in
• Maximum line Ø (mm)10 mm
• Maximum line Ø (in) 3/8 in
• Maximum working load (kg)220 kg
• Maximum working load (lb)485 lb