Twin Shower Door Rollers, 2 Top And 2 Bottom, 23 Mm, Kafenda Zinc, 4 Pieces. KAFENDA replacement shower door roller Description: Replacement shower door roller with23mm(0.9in) wheel diameter. These rollers fit glass where the distance between the centre of the fixing hole and the edge of the glass is 12mm(0.47in) Swivel action to also fit curved and quadrant showers.. Roller glass hole 12MM(0.47in) Suitable for most shower enclosures, shower cabins and steam cabin housing Designed to fit 4-8mm(0.15-0.31in) glass Material: Zinc Alloyc Package includes: 4x Shower Door Roller Product Features 4x Double Zinc Alloy Shower Door Roller (2 top double +2 bottom double ) Roller Glass hole diameter 12MM(0.47in) Can be Used These rollers fit glass where the distance between the centre of the fixing hole and the edge of the glass is 12mm(0.47in) Wheel thickness: 6mm(0.23in).Diameter 23mm(0.9in),glass thickess 4-8mm(0.15-0.31in) The truck is held in place with a screw and this is covered with a chromed plastic cover making them pleasing to the eye and easy to clean. 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!