Steelex M1082 Woodruff Keyseat Set, 9-Piece 3/16-Inch by 1-Inch, 1/4-Inch by 3/4-Inch 3/16-Inch by 3/4-Inch, 1/8-Inch by 3/4-Inch 5/32-Inch by 5/8-Inch, 3/32-Inch by 5/8-Inch 1/16-Inch by 1/2-Inch, 1/8-Inch by 1/2-Inch, 1/8-Inch by 3/8-Inch Hss, 1/2-Inch shank