Colour : Silver, Material : MS, Package Content :1 Piece, Size : Wheel Dia -30 x 95mm, Total Length - 105mm, Screw Thread - 10 mm, Base Plate - 40 x 45 mm, The practical bearing can reduce the friction with the wheel, so it can be used more smoothly and flexibly, Used for power/rolling dog/baby gates, industrial carts, assembly fixtures, containers, racks, and other equipment and projects., Heavy duty casters and sturdy structure provide super load capacity for the project, Suitable for electric rolling door, baby door, sliding door, wire rope rolling, industrial trolley, assembly container, shelf, equipment and engineering, and other equipment and items.