Standard security Durable, cylinder lock approved by standards tested to ensure standard security against cylinder attacks.Key for additional security and helps to prevent them from being copied by unauthorised people who might have occassional access to your keys.Material: BrassKeys Included: YesFit Door Thickness: 35-50mmNotes:1.\u200bCustom Time About:3-5days.2.Custom keys have different appearance patterns, but they have the same function.3.Manual measurement has some errors, The specific object is quasi.