This lock is constructed of hardened steel and provides high security. Features: Secure disc-style cylinder resist picking and drilling Short crossbar and shackle create a compact fit providing better security Hardened double deadbolt design gives additional protection against twist attacks Hardened MAX-Performance, 14mm steel shackle resists bolt cutters and leverage attacks Disc cylinder includes an anti-float feature to keep the discs from moving and readjusting when in transit Includes three stainless steel keys - two standard "I" keys and one LED lighted key Transit Flex Frame Bracket system fits on the adjustable spline and allows for multiple, off-set fitments to better align the lock for transportation Hardened oval crossbar design is stronger than a typical round tube Hardened double deadbolt design gives additional protection against twist attacks Security Rating: 8 out of 10 Specs: Cable Included No Lock Style Keyed