Harken 57mm Quad Block Swivel, Center Becket [HSB380] Sailing | Hardware An additional external port is

An additional external port is using a D-sub 15 pin connector

30" wide by 12-5/8" deep

Size: Compact Size

6 amps when all zones are activated

Lash tab for small accessories

Harken 57mm Quad Block Swivel, Center Becket [HSB380] Sailing | Hardware An additional external port is57mm Quad Block Swivel, Center Becket Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave (mm) 57 mm Sheave (in) 2 1 4 in Maximum line (mm) 10 mm Maximum line (in) 7 16 in Maximum working load (kg) 1080 kg Maximum working load (lb) 2380 lb