Master Lock® No. 5Ka Keyed Padlock – 1″ Shackle – Keyed Alike Master Lock® No. 5Ka. Keyed Alike. Two Keys Included. 2″Wide Laminated Steel Body For Superior Strength. Hardened Steel 3/8″ Diameter Shackle For Extra Cut Resistance. 4-Pin Cylinder Helps Prevent Picking. Dual Locking Levers Provide Extra Pry Resistance. Hardened Bottom Plate For Drill Resistance. Top-And-Bottom Bumpers For Great Scratch Resistance. Proprietary Rustproofing For Longer Life. Shackle Measures 1″ Inside Height And 15/16″ Inside Wide. The Master Locks Are.