Wichard Double plain bearing block - Sheave 55 - Swivel head & becket

A heavy-duty plain bearing block built to withstand high loads in static operations. The sheave runs on a stainless steel bush with lightweight POM cheeks for protection, and the universal swivel head provides a wide choice of fastenings. Applications Mainsheet systems, halyards, boom vangs, downhauls, and masthead blocks. Specifications Materials: Grade 316L stainless steel head, load straps & shackle; POM cheeks; composite sheave & saddle Rope size: 12 mm Length: 144 mm Width: 63 mm Thickness: 52 mm Sheave diameter: 55 mm Shackle diameter: 6 mm Working load: 800 kg Breaking load: 1,500 kg Weight: 337 g