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 $35 $17.99 Quantity In Stock Add to cart 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