Long Service Life - The shower door roller is made of high-quality brass shaft and ABS material. It is rustproof, sturdy, durable, stable in quality, and designed for a long service life. Push - Sliding door wheel set allows the door to slide smoothly and saves effort. This helps keep the door balanced, prevents swinging, and ensures smooth operation. Suitable for - The bathroom slider is suitable for glass doors with a thickness of 4 to 6 mm. Compatible with glass mounting hole diameter of 23 mm. Easy Installation - The bath runner is easy to move and install. It allows the door to slide, saving space and enhancing bathroom aesthetics. Practical Hardware - A practical hardware component for sliding glass shower doors. Effectively reduces noise when the door is closed, day or night. Product Description - 8-piece shower door roller set includes 4 upper rollers and 4 lower rollers. Ideal for replacing worn shower door rollers. Made of brass rod and ABS plastic material, it is rust resistant, sturdy, and durable. Comes with screws and plastic cover. These rollers are designed to fit glass shower doors. The sliding door roller kit enables smooth, effort-saving door movement. Features - Simple sliding rollers that are easy to clean. Wheels provide a smooth, quiet glide, suitable for most shower enclosures, shower stalls, and steam room enclosures. Glass door rollers help extend the operational life of the shower door system. Specifications - Material: Nylon roller; Weight: 23 g per piece (upper and lower wheels); Glass thickness: 5 mm; Pulley diameter: 23 mm; Glass hole size: 11 mm. Upper wheel is adjustable and can rotate left and right; lower wheel features spring-loaded left and right rotation. Scope of Delivery - 8 shower enclosure rollers (4 upper and 4 lower). Exceptional Quality - This 8-piece roller set offers high quality, combining rigidity and durability with reliable performance. Bearing Element - Rollers for shower cabins and hydromassage cabins ensure smooth, effortless sliding of doors forward and backward. They effectively support the weight of the glass and control movement in the desired direction. Water-Repellent Coating - Features a special ultra-water-repellent lubricant containing PTFE, which helps extend the service life of the rollers. Easy Replacement - This roller set can be installed with basic tools. Only a screwdriver is required for installation.