Harken 2193 40mm Double Zircon Block with Becket

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Harken 40 mm Zircon Double Block with Becket 2193 Zircon blocks from Harken boast high performance due to the presence of industrial ceramic ball bearings that are securely mounted within caged races. These cages ensure that the bearings remain separated and do not come into contact with each other, resulting in excellent efficiency for small boat blocks. Length 2-7/8" Sheave dia 40 mm Length 73 mm Weight 47.6 g Maximum line 8 mm Maximum working load 230 kg (500 lb) Breaking load 680 kg (1500 lb) Show more