Product parameters: Product Name: Indoor Door Lock Panel material: aluminum alloy Product color: silver white Center distance: 5cm Clip distance: 4.5cm Suitable for door thickness: 3.5~4.5cm Weight: 830g Product List: 1, panel screws x4 2, lock core x1 3, lock body x1 4, the key x3 5, lock body screw x4 6, box x1 7, square bar x1 8, lock screw x1 9, iron sheet x1 10. Panel x2 Note: New doors In addition to security doors, most interior doors can be used. Old door change lock Please check the size before buying to avoid improper size!   Corporation OEM service Regional agent General trade Engineering company