Harken 40mm Carbo Air Double Fixed Block Jacket Ring ID: 3-9/16"

Ring ID: 3-9/16"

Can be pre-drilled for Grand Slam mounts

Ideal for larger boats 45' and up as well as RV's and aircraft

UPC : 5060114797352

ROKK Mini Rail Mount

Harken 40mm Carbo Air Double Fixed Block Jacket Ring ID: 3-9/16"40mm Carbo Air Double Fixed 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. Speciications: 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 Manufacturer : Harken Manufacturer Part