Magnum M1LJSTS Commercial Laminated Steel Padlock

Master Lock's Commercial Magnum M1LJSTS combines stainless steel weatherability with laminated construction for uncompromising outdoor security. The octagonal, chrome-plated boron-carbide shackle resists cutting and prying, while dual-ball bearing mechanics ensure reliable locking performance. Engineered for harsh environments—salt spray, industrial chemicals, and extreme weather—this commercial-grade padlock delivers the durability and protection demanding applications require.

Magnum M1LJSTS Steel Padlock

• Stainless steel body cover and top and bottom plates for exceptional weatherability

• 1-3/4in (44mm) wide laminated steel body for superior durability

• 2-1/2in (64mm) octagonal boron-carbide shackle is 50% harder than hardened steel

• Chrome-plated shackle for excellent rust resistance

• Superior pry resistance with dual-ball bearing locking

• Can be keyed into existing K1 or WP4 Edge® keyways

• available keyed differently M1LJSTS, keyed alike M1KALJSTS, and master keyed M1MKLJSTS