1Security Design: This door lock has seven brass marbles, which can improve the sense of security, so that you can use with confidence. 2Low Noise: Anti insert brass tongue lock body silent design can reduce the noise of opening and closing the door, making the door open and close more smoothly. 3Adjustable Feature: Solid handle design, and the direction of the handle can be adjusted left and right, which is convenient and practical. 4Stable Performance: Stainless steel casting, rust proof, high temperature resistance, easy to clean, no fading, high hardness. 5Wide Application: This door handle is safe and durable, suitable for bedroom, hotel, balcony, office, mechanical engineering, etc. 2 x Handles1 x Lock Body1 x Lock Cylinder1 x Plastic Shell3 x Keys2 x Adjustable Screws1 x Lock Body Screw4 x Set Screws1 x Separation Blade Item Type:StainlessSteelHandleDoorLockMaterial:Stainless steelLock Tongue Material: Zinc alloy and copperLock Core Material: Pure copperApplicable Door Thickness: Approx: 35-50mm/ 1.37- 1.96inCenter Distance: Approx: 48mm/ 1.88inProduct Size:Panel Width: Approx: 50mm/ 1.96inHandle Length: Approx: 115mm/ 4.52inPanel Length: Approx: 200mm/ 7.87inMounting Hole Distance: Approx: 155mm/ 6.1in