Long Service Life - The shower door roller is made of high-quality brass shaft and ABS material. It is rustproof, sturdy, and durable, with stable quality and a long service life. Push - Sliding door wheel set allows the door to slide smoothly and saves effort. This keeps 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 install and allows the door to glide effortlessly, saving space and enhancing appearance. Practical Hardware - A practical hardware solution 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. 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. High-quality rollers 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. Design - Upper wheel is adjustable and can be rotated left and right. Lower wheel features spring-loaded left and right adjustment. Scope of Delivery - 8 shower enclosure rollers (4 upper and 4 lower). Exceptional Quality - This 8-piece roller set offers superior quality, combining high rigidity and durability with excellent flexibility. Bearing Element - Rollers for shower 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 lifespan of the rollers. User Friendly - This replacement can be completed easily with the correct rollers and a screwdriver.