Harken 57mm Carbo Ratchet Airblock Watches 2-piece boom

2-piece boom

Patented dynamic ball bearing technology utilising high quality 316 stainless steel ball bearings running on a stainless steel axle provides an unsurpassed dynamic load carrying ability

Maximum working load (kg)125 kg

Use the 40mm Carbo for the jib and mainsheet systems on high performance dinghies and for loaded control lines on small keelboats

Harken 57mm Carbo Ratchet Airblock Watches 2-piece boomThis low friction, 57mm Carbo Airblock from Harken replaces the stainless steel straps of classic boat blocks with minimal weight, which allows for safe and easy trimming. Densely packed glass fibres reinforce the resin, ensuring you have a strong and reliable low friction boat block for an affordable price. A great companion to Harken's Black Magic line, the Carbo Airbloc is the ideal choice for boat racers with high working loads. Specifications