<ul><li> Shower Door Rollers: 4 rolls of 23 mm (2 upper rolls, 2 lower rolls). Installed at the top and bottom of the shower door.</li><li>Roller material: The roller is made of ABS and zinc alloy. It is durable.</li><li>Roller set: Each roller is equipped with a screw cap. It is easy to slide and clean.</li><li>Glass hole size: roller suitable for glass thickness: 4-6 mm, lens opening: 12-14mm.</li><li>Applicable scene: These shower door rollers are suitable for most shower rooms, it is convenient to open and close the shower door.</li></ ul> <b>Attributes:</b> Material: ABS + zinc alloy Quantity: 4 pieces (two upper towers, two lower towers) Size: Wheel diameter: 23 mm, glass thickness: 4-6 mm, lens opening: 12-14mm <b>Features:</b> Durable material: The roller is made of ABS with zinc alloy. It is strong and shiny. Roller accessories: The roller is fixed in place with screws and covered with a screw cap, which makes it beautiful and easy to clean. < p>Field of application: The roller is suitable for flat sliding shower doors and curved sliding doors. <b>Package includes:</b> 4 x Shower Door Rollers</p > <b>Tips:</b> If you have any questions, please feel free to contact us. Note : The data is manual measurement, please allow 1-113cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.< /p>