... /stainless steel, 14/16mm width Roller:copper,nylon Hooker: Single/double glass Sliding window roller, zinc alloy/ stainless steel/ ... sliding profile.Be suitable for: UPVC sliding door with European groove.Frame Width: 12mmWheel Height: 19.5-24. ... NylonBearance: Less than 120kg/2PCS Roller, wheel, window roller, window wheel, door roller, door wheel, sliding roller, sliding wheel for UPVC/Aluminum ...