To can cut one-finger through five-fingers in multiple passes. Both cuts are performed the same way - you simply turn over the counter-cut for a perfect fit. All cutters feature chipbreakers behind each cutting tooth which limits the thickness of the chip, allowing for a safer cut.Can be used on 7/16 (1 finger) through 1-3/8 (5 fingers) materialUse #47736 replacement bearing1/2 shank. Two wing.Diameter 1-9/16, flute length 1-3/8Overall length 3-3/4Includes 5 individual finger cutters, 1/2 shank arbor, 1 straight cutter, ball bearing guide, shims, spacers, washers, and complete illustrated instructions