4-pc. Drill bit set, 1-pc. Sharpening stone, 20-pc. diamond polisher set, 8-pc. Sanding drum set, 5-pc. Cut off wheel set, 1-pc. Engraving bit, 2-pc. Mandrel set. Comes with 3/64", 3/32", 7/34" and 1/8" cloolests