Astro Pneumatic 1221 Die Grinder Combo Kit with Burrs

This kit contains: Blue Composite Body 1/4" 90° Angle Die Grinder - 20,000RPM - Front Exhaust Composite Body 1/4" Mini Die Grinder - 25,000RPM - Front Exhaust 8 Piece Double Cut Carbide Rotary Burr Set - 1/4" Shank  Grinder Features: Composite handle reduces vibration Rib textured handle provides a firm grip Lever throttle for feathering control Compact and lightweight Front exhaust Built-in regulator  Burrs Included: SA-5: Cylindrical shape 1/2" X 1" SA-3: Cylindrical shape 3/8" X 3/4" SC-3: Cylindrical radius end 3/8" X 3/4" SC-1: Cylindrical radius end 1/4" X 5/8" SD-1: Ball shape 1/4" SD-3: Ball shape 3/8" SF-3: Tree shaped radius end 3/8" X 3/4" SF-5: Tree shaped radius end 1/2" X 1"  Should not exceed maximum 30,000 RPM All burrs are 1/4" shank, USA standard