Dual-armour construction for superior rust protection. Laminated steel core. Rust-free outer construction. Patented 'Boron-Carbide' shackle. 50% harder than hardened steel. SKU: 40912804 MFG: M1XKADLJCCSEN Shop more products by Master Lock. Best online store to shop hardware repair tools. Save big with Life-and-home discount coupons SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free shipping over $17.5 Normally ships within 24 hours $9 Quantity In Stock Buy It Now Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Body width: 1-3/4" Shackle inner height: 2-1/2" Dual-armour construction for superior rust protection. Laminated steel core. Rust-free outer construction Patented 'Boron-Carbide' shackle. 50% harder than hardened steel. Chisel resistand, recessed rivets. (uses M1 key blank) Reinforced body bumbers to protect against scratching. Uses m1 key blank FEATURES MFR: M1XKADLJCCSEN SKU: 40912804 UPC: 071649233166 Brand: Master Lock