Onguard Rottweiler Armored Coil Cable Lock Black 100 Cm X 20 MmOnGuard's Rottweiler locks provide years of unwavering protection. This lock comes in several different cable widths, offering various levels of security. All are easy to use and tough. Plus, they all boast OnGuard's reliable, safe X2 double bolt locking mechanism that resists drilling, picking, pulling, and bumping. It comes with five laser cut keys, including OnGuard's Microlight key with a built in light.