Ckb Double Sided Shower Glass Door Knob, Matte Black With Solid 304 Stainless SPECIFICATIONS: Item Dimensions : 1-1/6" Diameter ?See attached drawing for exact measurement? Minimum Compatible Door Thickness? 1/4 " ( 6 mm ) Maximum Compatible Door Thickness? 3/8 " (10 mm ) Overall Product Weight: 9.2 OZ ( 260g ) Material: SUS304 Stainless Steel Hardware Finish:Matte Black When you choose this Practical Use door knob, it complement to the decor of most glass door ideal for your Bathroom shower glass door, cabinet door, sliding door and office glass doors etc , you can rest assured that it will be easy to install, and will serve its purpose beautifully for Long time application With 3 years Warranty. Modernize your household door with this elegant door knob. Product Features Specification: 1-1/6" (30 mm) Diameter Compatible to Most Glass Shower Door Thickness Range From 1/4" to 3/8" (6 to 10 mm). Install Require: Glass Door Hole Diameter Required 3/8" (9 mm). Easy to Install and Multiple Scene Used: Comes with Standard Plastic Washers and Mounting Hardware easy to Install and Protect Against Glass to Metal Contact, widely used in most household doors for your Bathroom shower glass door, cabinet door, sliding door and office glass doors etc. Comfortable and Durable Design: This door knob is both durable and comfortable With the Sturdy Materials provides an Easy Grip and appealing style to your bathroom.Provide you a Lifetime of Practical Use. Warranty Guarantee: 3 years Limited Warranty. 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!