A chisel is a tool with a characteristically shaped cutting edge of blade on its end, for carving or cutting a hard material such as wood, stone, or metal by hand, struck with a mallet, or mechanical power....
A tool bit is a non-rotary cutting tool used in metal lathes, shapers, and planers and are distinguished from other cutting tools such as a saw or water jet cutter....
Purity : Rubber Handle For Grip And Comfort, Stall-resistant, Short Gear Case Design, Heavy Duty Gearing System With Oil-less Bushing, Rear Exhaust, Ball Bearing Construction For Long Tool Life