Shower Door Rollers Runners Wheels Replacement Part Bathroom Glass Door Runner Material: Copper + POM wheel Roller outer diameter:19mm Inner hole:4mm M4 screw can be used Pulley bearing capacity, good stability; Small friction coefficient, good mute effect. Easy installation, often used for bathroom glass sliding door pulley/sliding track. You will receive: 4pcs shower door roller 4pcs M4x12mm stainless steel screws Note:Please measure the dimensions for better installation before purchase. Product Features Type:4pcs Shower door roller.wheel thickness :5mm,come with screws,suitable for 4-6mm thick shower door. Roller diameter: 19mm,Inner hole: 4mm, fixed with M4 screw. The pulley is made of copper +POM wheel, and the screw is made of stainless steel,corrosion resistance and rust resistance,it has good comprehensive performance. Pulley bearing capacity, good stability; Small friction coefficient, good mute effect. Easy installation, often used for bathroom glass sliding door pulley/sliding track. 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!