This glass shower door handle is made of 304 stainless steel for durability and comes with mounting hardware for easy installation The hole size of pull: 1/2” (12 mm). Hole spacing sizes(the distance from hole center to hole center): 8” (203 mm). Handle has four plated finishes: Brushed Nickel, Matte Black, Chrome, and Brushed Gold. Round Shower Handle Bathlink Shower Door Handle, Back To Back Tubular Handle Compatible Glass Door Handle Heavy Wall Tubular Brass/Stainless Steel Construction • Available in 8 Center to Center Size With its substantial appearance and feel, our Standard Tubular Back-to-Back Handle Without Style Washers 8 Size becomes an integral part of any all-glass door. Available only in 8 (203 mm) size without metal washers Easy to install: Each glass door handle comes with mounting hardware and gaskets; Easy to install; Suitable for DIY projects and professional installations Specification: Compatible to Most Glass Shower Door Thickness Range From 1/4 to 1/2(6 to 12 mm). CKB 8 Glass Shower Door Handle, Back to Back Glass Door Pull Handle Guarantee: Each product comes with installation instructions in the box, after you receive the product if you are not satisfied or need help, feel free to contact us to solve your problem