Harken 75 mm Black Magic, AirBlock Double swivel Cat. No. HAR 3233 Weight 2 lbs
1971 BLK-75MM DBL Use 75 mm Black
Magic® AirBlocks® on offshore boats. are 60% stronger and 30% lighter than
our classic blocks.
The nylon resin sideplates are densely packed with long-glass fibers
for a compact block with a high strength-to-weight ratio. Ball
bearings, sheave and sideplates UV stabilized with black additive for
Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle
in front or side positions, or swivel to keep line from twisting.
The 75 mm Carbo has a safe working load of 1200 lbs (500 kg). It
releases easily under load and is perfect for mainsheet systems on
sport boats like the Melges 24, J/105 and Henderson 30.