Apply air hammer vibration and torque to any impact socketUtilize air hammer and punch to access inaccessible fastenersRemove most stubborn nuts and bolts by repetitive hammeringHyper sonic vibration eliminates thread gallingAngled non turning punches kept from slipping by indexed holesSquare drive plug allows breaker bar and air hammer simultaneous operationPunches sold separately: short 5.5, LT1910PS, standard 11 LT1910P, long 22, LT1910PLIncludes Components:LT1940-3/8-S | 3/8 Short Throw Shockit DriverLT1940-3/8-L | 3/8 Long Throw Shock