Harken Over-The-Top Block - 57mm Boeshield Rule In-line Blowers provide ventilation

Rule In-line Blowers provide ventilation for bilges

Excellent flexibility and water resistance in all climatic conditions

Clear insulating cover

Moisture barrier for sealing hatches and deck hardware

ANTI-FOULING

Harken Over-The-Top Block - 57mm Boeshield Rule In-line Blowers provide ventilationOver the top blocks lead lines aft over cabin houses, coamings, and splashguards. Sheave (mm) 57 mm Sheave (in) 2 1 4 in Length (mm) 83 mm Length (in) 3. 25 in Width (mm) 35 mm Width (in) 1 3 8 in Height (mm) 83 mm Height (in) 3 1 4 in Weight (g) 181 g Weight (oz) 6. 4 oz Maximum line (mm) 10 mm Maximum line (in) 3 8 in Number of fasteners 2 Fasteners (mm) 6 FH mm Fasteners (in) 1 4 FH in Maximum working load (kg) 1136 kg Maximum working load (lb)