Harken high-load Fly blocks were developed specifically for use with high-tech line. Efficient, and with an incredible working load for their small size, Fly blocks give sailors the power they need and are perfect for use on foiling dinghies and sportboats and for vang cascades and backstay systems on Grand-Prix racers. Their weight savings alone promises an instant uptick in racing performance.
Harken soft-attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working load for their small size. Fly blocks are perfect for use on foiling dinghies and sportboats and for vang cascades and backstay systems on Grand-Prix racers.
18 mm blocks feature an integrated stainless steel inner race and rivet, stainless steel ball bearings, and composite fiber-reinforced sideplates.
A length of Spectra® line is included.
Spectra® is a registered trademark of Honeywell International, Inc.
- Sheave Ø 18 mm | 23/32"
- Length 28 mm | 1-3/32"
- Weight 7.2 g | 0.25 oz
- Maximum line Ø 5 mm | 3/16"
- Maximum working load 125 kg | 275 lb
- Breaking load 450 kg | 992 lb