Harken 40mm Triple Block — Swivel Gifts Ideas allowing you to tension the

allowing you to tension the luff separately from the mast rake

Fly blocks are perfect for use on foiling dinghies and sportboats and for vang cascades and backstay systems on Grand-Prix racers

lightweight blocks are called for

They are compact and lightweight

Breaking load (kg)1500 kg

Harken 40mm Triple Block — Swivel Gifts Ideas allowing you to tension thePart No. 2640 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)660 kg Maximum working load (lb)1455 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.