Harken 40mm Double Block — Swivel, Becket 2639 Ø8mm Integrated DSC transmitter (Digital Selective

Integrated DSC transmitter (Digital Selective Calling)*

Ideal for single line spinnaker hoist systems

4X More Waterproof Durable

When the components of a structure are of different materials

emulsifies and combines grease

Harken 40mm Double Block — Swivel, Becket 2639 Ø8mm Integrated DSC transmitter (Digital SelectiveLow 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. Part No. 2639 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