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" inner diameter Great for larger tools with a maximum 1" O.D. Slot accommodates most open end wrenches No more long awkward cheater pipes, double wrenching or makeshift wrench extenders! UP TO 4 FEET OF NUT BUSTING POWER Works on narrow handle pry bars & crowbars Also works as a lug nut wrench/tire iron with impact sockets 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" inner diameter for larger tools Versatile ratcheting angles of leverage and IT ALL FITS IN YOUR TOOL BOX ~Works on narrow handle pry bars & crowbars No more long awkward cheater pipes, 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 ~Check out our 2 & 4 piece sets of Big Bertha Breachers! See our other listings for 2 & 4 piece sets Professional Cr-V Steel ~GUARANTEED FOR LIFE ~Patented