The glass door lock set comes with 3 keys, made of high quality 304 stainless steel, with solid copper inner core, durable and rust resistant Suitable for open type double fan tempered glass doors with thickness from 8 to 12 mm Advanced polishing process with sanding finish Easy installation, no hole required for the door, comes with Allen key and installation screws Easy operation, stable, safe and reliable Features -Made of high quality 304 stainless steel, durable and rust resistant< /p> - Suitable for 8-12mm thick double fan tempered glass doors - Advanced polishing process with sanding finish - Easy installation , no hole required for the door. - Easy, stable, safe and reliable operation Description: This glass door lock is durable and strong rust-proof, as it is made of high quality 304 stainless steel. It is suitable for open type double fan tempered glass door with thickness 8-12mm. Simple design with thickened stainless steel layer, safe and easy to install. Please note that this lock can only lock one side or the other and cannot be unlocked from the other side. If you lock from the outside, use the key to unlock the door; if you are locking from the inside, use the rotary switch to unlock the door. Specifications: Material: 304 Stainless Steel Color: Satin Nickel< /p> Size: 75 x 60mm Fixing for glass door: thickness 8-12mm Package includes: 1 X&nbsp ; Glass door lock set