Shower Door Runner Wheels, Plastic Pulleys Sliding Door Rollers for Shower Cabin Bath Material: Plastic shower wheels, steel, anti-rust and wear-resistant Features: Shower pulleys, internal pulleys, stainless steel bearings suitable for humid environments without rusting 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 Size: Single wheel diameter 23mm, hole pitch 26mm (2 upper and 2 lower) Delivery quantity: 4 pieces Note: Due to different measuring methods, a 1-3 cm deviation may occur. Please confirm the size before ordering. Due to variations in monitors and lighting, the actual color of the item may differ slightly from the image. Package includes only the items listed above; other products are not included. Product from BAZHOU's store