Swivel action – makes deburr & countersink holes fast and easy. Molded handle with 2″ long plated steel “Dog-leg” shaft with 1/4″-28 threaded holder. Includes (1) 3/8 X 100 degree 3-flute burring cutter (part#1050) and 8″ extension shaft for deburring the inside of flanges and other hard to reach holes.