Black burnished Aluminum car with 316 Stainless Steel stop pin and Nylon sliding inserts. Swiveling (±50°) 316 Stainless Steel sheave base.↵Resin sheave with 2 side (self-captive) ball bearings, wide section for two sheets. Working load (SWL) 800 Kg. ↵↵T track with 50 mm spaced holes. ↵High resistance anodized Aluminum. ↵Mounting with 5 mm screws.