Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Automotive/RV | Lighting Retractable housing with self-closing valve

Retractable housing with self-closing valve minimizes water flow into the vessel when transducer is removed for servicing

True RMS - required for accurate measurement of inverter output

Gallons Per Hour: 2250 GPH

water-tight black nylon adjustable actuator provides trouble-free operation for years to come

Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Automotive/RV | Lighting Retractable housing with self-closing valve40mm Carbo Air Double Swivel Block with Becket Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)