Harken 40mm Double Block — Swivel, Becket RHKYC-Branded Rowing & Paddling Clothing reliable—and affordable

reliable—and affordable

25 in (57 mm) blocks are compact and lightweight

Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter

wrap the sheet around the SnubbAir twice or use a winch handle with the optional adapter

Length (mm)157 mm

Harken 40mm Double Block — Swivel, Becket RHKYC-Branded Rowing & Paddling Clothing reliable—and affordablePart 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 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.