Master Lock M115XKADLFCCSEN 1-3/4 Inch Laminated Covered Padlock With Toughcut Shackle

1-9/16 inch wide case, 5/16 inch diameter shackle, 1-1/2 inch vertical shackle clearance and 13/16 inch horizontal shackle clearance. Uses master lock key blank k1box or ilco blank m1 sku u320952. Toughcut octagonal boron-carbide shackle is 50 percent harder than hardened steel. Rustoleum protection lock body will not rust. Dual ball bearing locking for maximum pry resistance. Dualarmor 1-3/4 inch laminated steel core with weather resistant cover that protects against snow, rain, dirt, mud, grime, and salt. Covered keyway and shackle seal for added weather protection. Has a 4-pin cylinder for increased pick resistance.