This is a 100 piece set of rotary tool accessories.It includes the following, in a very nice wooden storage box.
This kit is a universal kit that fits 99% of "rotary tools" out there. 
Including:
-Stone grinding bit 
-Brass wire wheel 
-Nylon bristle wheel 
-Brass cup brush 
-Nylon bristle cup brush 
-Nylon bristle brush 
-Brass brush 
-Diamond coated bit 
-Twist burr
-Cutting wheel 
-Diamond coated wheel 
-Sanding disc 
-Sanding drum 
-Wool polishing wheel
-Grinding wheel
-Mandrel
-Sanding drum mandrel
-Sharpening stone
-Compound
Country of origin: China