80 mm Aluminum Element Mastbase Block - Swivel

Harken Element 6221 is a 80 mm mastbase block from Harken’s value-engineered aluminium block range. Element blocks use forged aluminium sideplates with hardcoat anodising, a composite bearing sheave with journal bearing and stainless-steel axle and attachment hardware. It is intended for compatible forkhead mastbase fittings, giving a compact lead at the foot of the spar. Published specifications include up to 16 mm line, a 2200 kg maximum working load and a 4400 kg breaking load. Select the fitting by line size, attachment style and working load, and install fixed versions to suitable supporting structure.