2 Pack, 2" Laminated Steel Padlock, Keyed Alike, Hardened Boron Alloy Shackle For Superior Cut Resistance, 4 Pin Cylinder Helps Prevent Picking, Dual Locking Levers Provide Extra Pry Resistance, 1" Shackle, 3/8" Shackle Diameter, Uses Master Lock Key Blank K1BOX Or Ilco Blank M1 TV #320-952, Carded.