The KryptoLok is perfect for use in low to moderate risk locations. It features a tough 1/2-inch, hardened high-grade carbon alloy steel shackle that resists hand tools. This lock features a high-security disc style cylinder and has a center keyway, which defends against leverage attacks. A $1,250 Anti-Theft Protection Offer and Kryptonite's Key Safe program are included. Other features are: EZ Mount transportation bracket and anti-rattle bumpers to reduce noise during transport.