Shower Door RollersSet of 4 shower door rollers. 25mm diameter bathroom DIY spare parts (2 upper rollers and 2 lower rollers), each wheel comes with a bumper and a screw in stainless steel. Perfect ExperienceMaterial of sliding door rollers: High Quality Nylon Wheel + Copper Core Shaft, Low noise, elegant performance and rolling smoothly, Suitable for 4-6 mm glass thickness. Exact SizeShower Door Installation Kit Roller Diameter 25mm. Wheel thickness: 5mm, shower door thickness: 4-6mm, glass mounting hole: 12-14mm. Easy to UseEasy sliding replacement shower door roller, easy to install and use, with these sliding door pulleys, the shower door will glide like butter. Super FunctionShower door rollers suitable for most shower enclosures, shower enclosures and steam rooms. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it