The On Guard PitBull ULock features 8.4 Tons of pull strength plus higher quality lock cores. Keyed locks include five Europeanstyle keys, 1 lighted, all tube QR mounting bracket Pitbull has 8.4 Tons pull strength plus higher quality lock cores Unique cylinder offers optimum resistance to picking and reinforced sleeve over crossbar for additional security 13mm ultrahardened steel shackle provides maximum cut resistance 2,251 antitheft protection offer Lock Size 4
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