Function use: lock interior door Material: pure copper Panel material: copper Adapted door thickness: 35-50mm Material of marbles: copper Lock core material: copper Lock tongue type: double lock tongue Lock tongue material: copper Handle material: copper Door opening direction: general type Center distance: 85mm Lock margin: 50mm Whether to bring the key: With the key The product delivery period is about 10-15 days Due to different computer monitors, shooting conditions and other factors, product images and in-kind may lead to some color, product pictures for the actual shooting, please feel free to purchase. If you have any questions about the product content, please feel free to contact us, we are happy to serve you Please read the product description, I wish you a happy shopping!