Ryobi A9FS8R1 8-Piece X-Wing Forstner Bit Set for Woodworking SEE YOUR TARGET with the specially designed bits that keep your mark visible up to 700 RPM INCLUDED BITS: 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1-3/8 inch X WING DESIGN exclusive to Ryobi forstner bit sets aiding visibility 3 FLAT SHANKS included in this kit to resist slipping HEAVY POINT built into the shank helping you stay on target when beginning to drill into your woods