【Shower Roller Features】23mm diameter bathroom bathroom DIY replacement parts are suitable for glass doors with a thickness of 4-6mm, the upper and lower wheels are suitable for glass openings of 9-12mm, strong load-bearing capacity. 【Glass Door Roller Materials】23mm diameter replacement shower door fixing wheels are made of brass rod + plastic frame + nylon + stainless steel screws, strong and durable. 【Smooth and Quiet Operation】No noise when opening the shower door and these glass door rollers help it slide smoothly. It is easy to install and maintain. It is easy and convenient for this shower door roller replacement. 【Widely Used】Single shower door runners are suitable for most shower rooms, shower rooms and steam rooms, and are installed at the top and bottom of the shower door for easy opening and closing. 【DIY Repairs】If you enjoy taking on DIY projects at home, these shower door rollers are an easy and affordable project to tackle. With basic tools and some DIY skills, you can