Triple ball block with becket and cleat in carbon on balls. On small sailboats and dinghies they are used for jib, mainsail and spinnaker, on larger boats for vangs, trolleys and backstays adjustments. The cheeks, the pulley and the balls are in delrin®, the metal parts in AISI 316.
Single block features:
Pulley diameter: 38 mm.
Maximum sheet diameter: 10 mm.
Overall height: 64 mm.
Weight: 45 gr.
Breaking load: 950 kg.
Working load: 230 kg.
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