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3/8in (9mm) diameter boron alloy shackle
keyed alike – multiple locks open with the same key – features a 2in (51mm) wide brass body for extra corrosion resistance in caustic
Rubber seal on permit display case protects documents from water damage in outdoor applications or during cleaning
locks sold in groups of combinations
Master Lock 6321 ProSeries® Shrouded Laminated Steel Rekeyable Padlock 2-1/8" Wide Keying:Keyed Different 3/8in (9mm) diameter boron alloyThe Master Lock No. 6321KA ProSeries Shrouded Padlock, keyed alike multiple locks open with the same key features a 2 1 8in (54mm) heavy steel body that withstands physical attack and a 3 4in (19mm) tall, 5 16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. Ideal for transportation and industrial applications, the iron shroud protects the shackle from bolt cutters and a dual ball locking mechanism resists pulling and prying.