Master Lock 37KA Shrouded Laminated Steel Pin Tumbler Padlock, Keyed Alike, 1-9/16-Inch Wide Body, Shackle Fits 9/32-Inch Or 1/2-Inch Diameter Non-rekeyable, 4-pin cylinder helps prevent picking Armored hardened steel shackle defies cutting 1-9/16-inch shrouded laminated steel body for superior strength Shackle fits openings 1/2-inch in diameter or larger, the shackle guard is removable to accomidate openings 9/32-inch in diameter Dual locking levers provide extra pry resistance