Harken 40mm Double Block — Swivel, Becket 2639 Ø8mm When the components of a

When the components of a structure are of different materials

SUPER DURABLE DWR COATING

Sheave Ø 40 + 24 mm Max

Ideal for single line spinnaker hoist systems

Includes LED bulb

Harken 40mm Double Block — Swivel, Becket 2639 Ø8mm When the components of aLow 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