For grinding HSS and carbide engaving cutter as well as single lip or multiplelip cutters of various shapes such as radiused cutters or negative taper angle of cutters. The universal index head is provided at 241 positions so that any particular angle or shape can be obtained, free 360° or 10° rotation is allowed for grinding End Mills. Twist Drill,Lathe Tools, only replace the attachment to the index head without and complex setup.