Handle material: Stainless steel main body and plastic knob with chrome finish, and black color option. Handle dimensions: 210 x 80 x 19mm To fit a minimum diameter of 6mm and a maximum of 16mm. Open hole in your glass. The hole to hole dimension is 145mm. It can be used in most glass doors at home or in the office DIY REPLACEMENT: It's easy for this replacement handle, and you can just disassemble the handle screws with your hands and replace with the new handles on the glass doors Package includes: 2 sets of round stainless steel shower door handles. Replacement: It's easy for this replacement handle, and you can just disassemble the handle screws with your hands and replace with the new ones handles on the glass doors. Package includes: 2 sets of round stainless steel shower door handles