1. Finishing: 304-201 Stainless steel ,America 101 Nylon 2. Weight bearing:180 kg 3. Fountion: ... ,silently and glidinglyMaterial: 304-210 stainless steel,America 101 NylonType: Door wheel , stainless steel wheel ,sliding handing wheel ,stainless steel hanging wheelOffered: 4 wheels, 6 wheels ...