Harken 40mm Carbo Air Double Swivel Block [2638] Brand_GROCO Size (diameter x length) -

Size (diameter x length) - 3

Boom can be shortened if necessary

Gimbaled to 45 degrees

Winch Strap Replacement - 20'

Boat Size - 25' - 30' (7

Harken 40mm Carbo Air Double Swivel Block [2638] Brand_GROCO Size (diameter x length) -40mm Carbo Air Double Swivel Block Low 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. Specifications: Sheave (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)