2-1/2-Inch Industrial Grade Padlock, Triple Plated Solid, Round Steel, High Security Padlock, High Tech Boron Hardened Shackle, Dual Ball Bearing Locking Mechanism, High Security Spool Pins, Rekeyable, 1-1/8-Inch Shackle, 7/16-Inch Shackle Diameter, Use Ilco key Blank True Value #633800, Carded.