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.Specification:Material: Stainless steel + copperHole size: 28mmDimensions: 48x58mm/1.89x2.28inchColor: SilverQuantity: 1 SetNote: 1.Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:1 Set Safe Deposit Box Anti-theft LockThe durable anti-drill design ensures ultimate durability and prevents intruders from entering through other tools.If you have any questions, please feel free to contact us, we will provide you with help and answers within 24 hours.