["Feature:\r\n7/8\" cylinders fit up to Installation thickness 5/8\" (about 15mm), Please see the picture for details.\r\nThe initial unlock password: 3 Wheel Dial Set To 0-0-0, It can be reset as you like.\r\nfor Ideal for Letter box, drawer cabinet, metal cabinet, office cabinet, school lockers or any where keys are not suitable!\r\nNote: This Item not suitable for double door cabinets.\r\n\r\nHow to change your password? \r\nThere is a hole behind the lock. \r\nIn the unlocked state, Using a small stick to press the hole and then choose your new password at the same for time. \r\nFinally release the stick and your password changed. \r\nPlease allow 1-5mm difference due to manual measurement. \r\n\r\nfor Why can'for t the lock rotate? \r\nWhen the Item for Cross the ocean and delivered to your hand, the password may be correct, but it cannot be rotated. \r\nPlease don'for t worry, just pull the 3-digit password to the left and right, \r\nthen set back to 000, then hold the handle (see picture 4) \r\nand force it to rotate right.(maybe use a little force) \r\nEverything is fine\r\n\r\nSpecification: \r\nColor: Silver Black\r\n90 Degree Turn \r\nMaterial: Zinc Alloy \r\nLength (from back of lock to end of lock body): 20mm \r\nLength inc. Cam: 23mm \r\nAcross flats: 16mm \r\nBody Diameter: 19mm \r\nFace Depth: 17mm \r\nFace Diameter: 38mm \r\nOverall length: 44mm \r\nTo centre of lock: 34mm\r\nMore detailed,please see photo,\r\nQuantity:1 Pc,\r\nNote: \r\nNo retail package.\r\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 Pc x Mailbox Lock ."]