Harken 29mm Double Zircon Block Solo EVA storage case

EVA storage case

lightweight glass-loaded nylon and featuring Allen’s dynamic bearing technology for a high-performance block suitable for keelboats and dinghies

RS400 Boat Cover Features

shaped and finished to fit snugly in your dinghy

Minimum Outside Diameter - 7mm

Harken 29mm Double Zircon Block Solo EVA storage caseHarken 29mm Double Zircon Block The Harken Zircon blocks are the most efficient blocks on the market and this helps trimmers match sail shapes to new conditions immediately. The Zircon performance comes from industrial ceramic ball bearings that are mounted in a caged race. The cages keep the bearings separated so they dont bunch, touch, and stop each other resulting in the most efficient small boat block Harken has ever made. Key Features Ceramic