The Master Lock Excell No. M40EURD Discus Padlock offers exceptional security with its stainless steel body and 10mm Tough-Cut boron-carbide shackle, 50% harder than hardened steel. Its fully shrouded design and dual locking ball bearings provide resistance against cutting, sawing, prying and hammering. The covered keyway offers protection from the weather and the reinforced body bumper shields it from scratches. Ideal for self-storage units, trailers and more, this padlock comes with a limited lifetime warranty for added peace of mind. Features and benefits Stainless steel body for strength and corrosion resistance Tough-Cut boron-carbide shackle for superior cut and saw resistance Fully shrouded design protects against bolt cutters Dual locking ball bearings resist prying and hammering Covered keyway provides weather protection Reinforced bumper protects against scratches Available in combination or keyed locks Limited lifetime warranty for added security