The Master Lock Excell No. M187EURD Discus Padlock features a 60mm wide stainless steel Titanium reinforced body for maximum strength, reliability and corrosion resistance. The fully shrouded design minimizes shackle exposure and protects against bolt cutter attacks. The 8mm diameter octagonal shackle is 24mm long and made of Tough-Cut™ boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The covered keyway offers maximum weather protection, and reinforced body bumper protects against scratches. The Limited Lifetime Warranty provides peace of mind from a brand you can trust. Features: Tough-Cut™ octagonal boron-carbide shackle is 50% harder than hardened steel 60mm wide stainless steel body with titanium reinforced outer construction for maximum weather resistance Fully shrouded design minimizes shackle ex