fast drive technology; an extendible, reversible helix shaft delivers continuous rotation at 1.5 rotations per stroke... ...so i can roll through bolt after bolt. and get it today for 50% off... now only $49.99. and then, there's the mach series 3/8 t-handle driver. an aluminum free spinning collar can adjust quickly to help me drive in any screw. you got a really stubborn one? use the strong square drive to break it loose. good luck trying that with an ordinary screwdriver. and good luck finding a better deal on the t-handle drive; get it now for 50% off at just $24.99. and craftsman hand tools are protected by a lifetime full warranty. this holiday season put craftsman tools at the top of your wish list.