Key Features ✔Long Service Life: Made of high-class copper, stainless steel, zinc alloy, steel, and aluminum with electroplating and die-casting processes, this product is corrosion-resistant, rust-proof, wear-resistant, and not easy to deform, ensuring long-term use. ✔Enhanced Security: It features a dual lock tongue (rectangular thickened steel lock tongue, slant lock tongue) design, a premium steel spring, a 3mm thickened stainless steel baffle, a high-strength inner shaft, 7 pure copper marbles, and a sturdy lock cylinder for improved anti-theft and anti-prying protection, delivering superior safety. ✔Quiet Operation: The silent bearing design ensures noise-free opening and closing, goodbye to the card lock rattling. ✔Solid Handle: The ergonomic solid handle offers a comfortable grip for smooth door opening. ✔3 Keys: The package includes 3 keys for emergencies or backup use. These pure copper keys with a die-casting process are hard to deform, and built to last, so you can use them with total confidence. ✔High-Torque Solid Knob: Designed for smooth rotation, it is easy to use for most ages, including children and the elderly. Application It is suitable for solid wood doors, steel-wood doors, composite doors, etc. with a door thickness of 35-45mm. It is suitable for either right-hand or left-hand doors. Specifications Type: Handle Lock Color: Bronze Material: Copper, Aluminum, Stainless Steel, Zinc Alloy, Steel Style: Retro, European Lock Type: Key lock Door Opening Direction: Left and Right Universal Process: Electroplated, Die Casting Suitable Door Thickness: 35-45mm/1.38-1.77in Stainless Steel Baffle Thickness: 3mm/0.12in Lock Hole Center Distance: 50mm/1.97in Center Distance: 50mm/1.97in Side Distance: 45mm/1.77in Door Lock Panel Size(L*W): 230*55mm /9.06*2.17in Handle Length: 120mm/4.72in Distance Between Mounting Holes(Door Lock Panel): 190mm/7.48in Package Size: 26.2*15.2*10.2cm/10.31*5.98*4.02in Gross Weight: 1.28kg/2.82 lbs Net Weight: 1.22kg/2.69 lbs Package Included 1* Lock Cylinder 1* Lock Body 2* Door Lock Panels With Handles 3* Keys All Accessories for Installation Notes 1.Please check the product size before ordering to make sure it fits your needs.