Master Lock Master Lock M1XTHC 1-.75 in. Stainless Steel Magnum Padlock 2

Tough-Cut octagonal boron-carbide shackle is 50percent harder than hardened steel. Dual armor protection - steel core for strength surrounded by stainless steel zinc outer components. Reinforced body bumper resists scratches. Dual ball bearing locks for max pry resistance. 4 pin cylinder for increased pick resistance. Keyed. 1-3/4-"