Shower Door Runner Wheels, Plastic Pulleys Sliding Door Rollers For Shower Cabin Bathr Material: Plastic shower wheels, steel, which is anti-rust and wear resistance Features: Shower pulleys Internal pulleys Stainless steel bearings can be used in the humid environment and not rusty.Load capacity: 30 kg Bearing widely used: suitable for furniture hardware accessories, movable doors, sliding glass doors, aluminum doors and windows, shower pulleys and drawers, etc. Size: single wheel diameter 23mm hole pitch 26mm (2 upper and 2 lower) Delivery quantity: 4 pieces Warm prompt: 1. As different measuring methods, it will occur 1-3 cm deviation about the items, please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products. Products from LUOLV's store