Kryptonite KryptoLok Combination U-Lock: 4" x 8"

Security Rating: 6 out of 10. Center Key Locking mechanism for better security, includes EZ mount carrying bracket. High security pick and drill resistant disc-style cylinder. Patented bent-foot design makes lock-up easy, patented cam resists attacks by pry bars and hammers. Optional $1250 anti-theft protection offer. Burly 13mm hardened carbon alloy steel shackle resists hand tool attacks.