1-9/16″ shrouded laminated steel body for superior strength. Armored hardened steel shackle defies cutting. Dual locking levers provide extra pry resistance. Shackle fits openings 1/2″ in diameter or larger; shackle guard removable to accommodate openings 9/32″ in diameter. 4-pin cylinder helps prevent picking. Shackle guard protects against bolt cutters and hacksaws. Limited Lifetime Warranty.