Harken 57mm Carbo Single Ratchet Block w/Swivel [2135] Brand_Blue Sea Systems and the tank filled prior

and the tank filled prior to applying any power or they will burn out

Nominal Voltage: 12/24 Volts DC

The GST 43 is a speed and temperature transducer and the GDT43 is a depth transducer

Plugged into an on board PC

UPC: 753759078379

Harken 57mm Carbo Single Ratchet Block w/Swivel [2135] Brand_Blue Sea Systems and the tank filled prior57mm Carbo Single Ratchet Block with Swivel Carbo Ratchets allow sailors to hand hold loaded lines and offer balance between holding power and controlled easing. Features: On off switch operates from both sides Standard grip: medium light air; 10: 1 holding power Sheave (mm): 57 mm Sheave (in): 2 1 4 in Maximum line (mm): 10 mm Maximum line (in): 3 8 in Maximum working load (kg): 227 kg Maximum working load (lb): 500 lb