37 trailer padlock

The Master Lock No. 37 Laminated Steel Padlock features a 1-9/16in (40mm) wide shrouded laminated steel body for extra strength and a shackle guard to protect against bolt cutters and hacksaws. The shackle fits openings of 1/2in (13mm) diameter or larger and the shackle guard can be removed to accommodate openings of 9/32in (7mm) in diameter. Dual locking levers provide extra pry resistance and the non-rekeyable, 4-pin W1 cylinder helps prevent picking.

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