Shower Door Wheels, Lance Home 8Pcs Double Twin Top/Bottom Shower Door Rollers/Runners/Pulleys/Wheels Bathroom Replacement Parts for Curved Straight Sliding Shower Door 23mm Diameter

1. Package includes: 4 upper rollers and 4 bottom rollers, in total 8pcs | 2. These single shower door rollers fit glass shower doors where the distance from the center of the hole to edge of glass is 18mm. | 3. Diameter of the wheel: 22mm; Width of the wheel: 5mm. Minimum Hole size in the glass: 11mm. Suitable for 3-6 mm glass thickness. | 4. Material: Plastic, Nylon, A Plastic, Nylon BS and stainless steel. | 5. Comes with screw cover caps. Spring loaded action can also fit curved showers. Designed with a nut and a plastic cover.