6 Pack Double Shower Door Rollers. These rollers are an affordable alternative to replacing your entire shower door. By simply replacing the rollers, you can extend the life of your shower door and save money on costly replacements in the long run. 25mm sliding shower door wheels are made of aluminum frame + large nylon wheels + plastic frame + stainless steel nuts, strong and durable. 25mm wheel shower door rollers, suitable for glass doors with a thickness of 4-6mm, the upper and lower wheels are suitable for glass openings of 10-14mm; The upper wheel can be adjusted by stainless steel screws to adjust the height to 8mm. The height of the lower wheel spring is automatically adjusted according to the height of the upper wheel. 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. No noise to open the shower door and these glass door rollers help it slide smoothly. It is easy to install