Triple ball bearing block with cleat in carbon on balls. Particularly smooth and light, generally used on monotipes and fins for vangs, trolleys adjustments, barbers, etc. The cheeks, the pulley and the balls are in delrin®, the metal parts in AISI 316.
Single block features:
Pulley diameter: 28 mm.
Maximum sheet diameter: 8 mm.
Overall height: 51 mm.
Weight: 24 gr.
Breaking load: 750 kg.
Working load: 150 kg.
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