Long Reach Carbide Burr Set - 4 Piece

4 Piece Long Reach Carbide Burr Set - Unique 6" long reach 1/4" Dia. shanks allow you to reach deep into cylinder heads or other cast iron and steel parts. Precision ground and heat treated for long life and vibration free use. Maximum RPM is 15,000. Includes 3/8" ball, 3/8"x 3/4" cylinder, 3/8"x 3/4" tree and 1/2"x 1" tree.