Compact 12” length uses a breaker bar or ratchet for up to 4 feet of length Versatile ratcheting angles of leverage and IT ALL FITS IN YOUR TOOL BOX 1/2" inner diameter & 1" inner diameter (2PC SET) Great for both large and small tools up to 1" O.D. Slot accommodates most open end wrenches No more long awkward cheater bars, double wrenching or makeshift wrench extenders! Also works as a lug nut wrench/tire iron with impact sockets UP TO 4 FEET OF NUT BUSTING POWER for stuck, frozen seized nuts & bolts Professional Cr-V Steel - - Guaranteed For Life -- Patented Compact 12” length uses a breaker bar or ratchet for up to 4 feet of length,1/2" & 1" inner diameter (2PC SET) Versatile ratcheting angles of leverage and IT ALL FITS IN YOUR TOOL BOX No more long awkward cheater bars, double wrenching or makeshift wrench extenders/extensions! Nut/Bolt Remover Torque Wrench Multiplier, Also works as a lug nut wrench/tire iron with impact sockets Slot accommodates most open end wrenches UP TO 4 FEET OF NUT BUSTING POWER for stuck, frozen seized nuts & bolts Professional Cr-V Steel ~GUARANTEED FOR LIFE ~Patented