The shackle clearance has also been increased to allow fit for more applications. The number M1 lock also features dual-armor construction which consists of a laminated steel core and weather resistant components.
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Master Lock M176XDLHCCSEN Magnum Hardened Steel Combination Padlock 2 in.
Magnum Steel Resettable Combination Padlock contains a laminated steel core. Product Type: Weather-Resistant Padlock. Shackle Width: 15/16 in. Shackle Clearance: 2 in. Adjustable Shackle: No. Paint And Paint Supplies.