Grizzly Industrial Mortising Attachment Kit H7789

This Mortising Attachment Kit with its variety of interchangeable bushings will fit just about any drill press for boring precision mortises. The entire kit includes cast iron chisel holder and fence hold down assembly quill alignment pin 1/4 inch 5/16 inch 3/8 inch and 1/2 inch chisels 3 two-piece bushings 3 split bushings and carrying case. Just match your drill press quill diameter to the nearest ID bushing dimension.