Shower Door Rollers, Lance Home Set Of 8 Single Shower Door Set of 8 Pcs Single Shower Door Rollers (4 upper rollers and 4 bottom rollers). These single shower door rollers fit glass shower doors where the distance from the center of the hole to edge of glass is 18mm. Diameter of the wheel: 19mm; Width of the wheel: 6mm. Minimum Hole size in the glass: 11mm. Maximum glass thickness: 6mm. Material: Plastic, Nylon, A Plastic, Nylon BS and stainless steel. Color: White and grey. Comes with screw cover caps. Spring loaded action can also fit curved showers. Designed with a nut and a plastic cover. Easy to glide and clean. Package: 8 pcs Single Shower Door Rollers (4 upper rollers and 4 bottom rollers). Product Features 1. Set of 8 Pcs Single Shower Door Rollers (4 upper rollers and 4 bottom rollers). 2. Material: Plastic, Nylon, A Plastic, Nylon BS and stainless steel. 3. Diameter of the wheel: 19mm; Width of the wheel: 6mm. Minimum Hole size in the glass: 11mm. Maximum glass thickness: 6mm. 4. These single shower door rollers fit glass shower doors where the distance from the center of the hole to edge of glass is 18mm. 5. Comes with screw cover caps. Spring loaded action can also fit curved showers. Designed with a nut and a plastic cover. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!