The Master Lock Magnum #M1XTRILH Laminated Padlocks feature a 1-3/4 in (44 mm) W laminated steel body for maximum strength and reliability and is surrounded by stainless steel and zinc outer components for weather resistance. The 5/16 in (8 mm) Dia octagonal shackle is 2 in (51 mm) L and made of Tough-Cut boron carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The four-pin cylinder prevents picking and the dual-locking ball bearings provide maximum resistance against prying and hammering. The lifetime Guarantee provides peace of mind from a brand you can trust.

• Magnum #1 choice of professionals
• Tough-cut octagonal Boron carbide shackle is 50% harder than hardened steel
• Dual-armor protection, laminated steel core for strength surrounded by stainless steel and zinc outer components for weather resistance
• Dual ball bearing locking for maximum pry resistance
• Reinforced body bumper for scratch resistance
• Four-pin cylinder for added pick resistance
• Keyed alike - same key opens all three locks

• https://assets.unilogcorp.com/187/ITEM/DOC/Master_Lock_100079090_Warranty.pdf Warranty Information