Set of 8 Pcs Single Shower Door Rollers (4 upper rollers and 4 bottom rollers).<br />    These single shower door rollers fit glass shower doors where the distance from the center of the hole to edge of glass is 18mm.<br />    Diameter of the wheel: 23mm; Width of the wheel: 6mm. Minimum Hole size in the glass: 11mm. Maximum glass thickness: 6mm.<br />    Material: Plastic， Nylon， A Plastic， Nylon BS and stainless steel.<br />    Comes with screw cover caps. Spring loaded action can also fit curved showers. Designed with a nut and a plastic cover.<br /><br />Package: <br />8 pcs Single Shower Door Rollers<br />Welcome to our store ，we will ship out all order within 3 days，and it will take 4-7days send to your home，thank you <br />