Description The item is a professional and practical replacement bathroom shower room door pulley roller, which is mainly made of durable aluminum alloy and nylon materials, and features smooth operation and super low-noise design. It is designed to suit 6-8mm glass thickness, and can fit curved showers to fix your bathroom door. Features - Color: as shown in the pictures. - Material: durable aluminum alloy and nylon. - Each wheel diameter: about 19mm. - and Replacement Double Wheeled Shower Room Glass Sliding Door Pulley Roller Runner Wheel. - Replacement shower room door roller, suits 6-8mm glass thickness. - Can fit curved showers. - The sliding door roller will run smoothly, noiselessly on your sliding glass door. Material: durable aluminum alloy and nylon. Each wheel diameter: about 19mm. Replacement shower room door roller, suits 6-8mm glass thickness. Can fit curved showers. The sliding door roller will run smoothly, noiselessly on your sliding glass door.