OnGuard 8015 Bulldog Series

Dual-bolt locking mechanism with dual lockdown protection drives two hardened pins into the 13mm ultra-hardened steel shackle at both ends creating a double lock that can withstand six tons of pull force. Improved M-Cylinder lock mechanism. Protective vinyl coating on shackle. Double-rubber coating on crossbar.

X2P dual locking mechanism
13mm U-lock is 3-1/2" x 5-1/2" with 10mm x 4 ft. cable.