Replacement Part For Shower Door Rollers, Exceptionally Silent, 4 Pcs\./Set). Product Details Replacement shower door roller with 23mm wheel diameter. 4x Double Zinc Alloy Shower Door Roller (2 top double +2 bottom double ) Roller Glass hole 8MM Can be Used Wheel thickness: 6mm.Diameter 23mm 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. These rollers fit glass where the distance between the centre of the fixing hole and the edge of the glass is 18mm. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.