Features:【High-quality alloy material】Made of tremendous alloy material, this indoor door lock core is durable and practical.【Multi-way lock principle】The lock cylinder adopts the multi-way lock principle and incorporates assorted mechanical special-shaped mechanisms to stop drilling of the lock body and opening with a master key.【Effective anti-theft function】The lock cylinder's anti-theft function effectively improves the reliability and safety of the lock, making it a safe prefer for your household.【Comes with 3 keys】Each lock comes with 3 keys, guaranteeing you've multiple ideas for having access to your locked door.【Universal compatibility】Suitable for wooden doors, this lock body is well suited with most standard door handles, providing a common locking solution.Specifications:*Product Name: Indoor door lock core*Material: Alloy+Iron*Size: 70mm*29mm*Color: gold, blackPackage Content:1x Lock cylinder3x keys1x screwNote:1. The genuine colour of the item may be barely different from the pictures proven on web content caused by many factors similar to brightness of your computer screen and light brightness.2. Please allow slight handbook measurement deviation for the data.