Mortise chisel and bit set can be use in any standard drill press mortising attachment of mortising machine * Made of high speed steel material * Features 1 cutting edge and right-hand rotation * Chisel has a 3/4-Inch shank * Measures 5/16-Inch diameter * Chisel has a 3/4 inches shank * Features 1 cutting edge and right hand rotation * Measures 5/16 inches diameter * Mortise chisel bit set can be use in standard drill press mortising attachment of mortising machine