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Choose blocks and attachments rated for your loads to build efficient, low-friction systems. Learn how sheave size, bearings, and lashing or shackle attachment affect performance.
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Hardware is a system, and mixed, mismatched parts leak performance and create wear points. Deck fittings and complementary hardware are the cleats, fairleads, bollards, pad eyes, U-bolts, and track fittings...
Antal's sailboat blocks aren't one product -- they're several distinct series built for different loads and jobs, from lightweight OPF deck blocks to 6,500 kg high-load pad-eye blocks. Here's how...
Mast sheaves, mast base blocks, and exit blocks all turn a halyard somewhere along its run -- but they mount differently, carry different loads, and solve different problems. Here's how...
Jib and genoa sheet footblocks are sized by foretriangle sail area and sheet-lead turning angle, not by boat length -- Harken's chart runs from a 57mm footblock up to 150mm...
Choose a block by matching four things to the job: sheave diameter to line diameter, bearing type to how the block is loaded and how often it moves, working load...
When do you reach for a single block, and how do you size it? Learn how one sheave redirects a line or adds simple purchase, and how sheave diameter, attachment,...