Set Of Four 25Mm Diameter Double Butterfly Shower Door Rollers,, Or Wheels. Set of 4 Twin/double Butterfly Shower Door Rollers (2 top 2 bottom rollers) Luxurious TOP QUALITY product These rollers fit glass shower doors with 2 glass holes 26mm apart. Minimum hole size is 8mm. Top rollers are adjustable up and down to allow the door to be lined up to mate with the frame or magnetic seal where you have a pair of doors. Bottom rollers are spring loaded. Swivel action to also fit curved and quadrant showers. Diameter of wheels: 25mm Width of wheels: 6mm Finish: chrome Materials: Chromed plastic body, 304 stainless steel micro-bearings, nylon wheels, zinc alloy axis - never rust. Product Features Set of 4 Twin/double Butterfly Shower Door Rollers (2 top 2 bottom rollers) These rollers fit glass shower doors with 2 glass holes 26mm apart Dimensions: 25mm(diameter) by 6mm(thickness) Material : Nylon +ZincAlloy ?Surface ABS plating? Materials: Chromed plastic body, 304 stainless steel micro-bearings, nylon wheels, zinc alloy axis - never rust 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!