Features and Benefits:

• 1/4" Shank
• Composed of Tungsten Carbide
• Extra-long 4.5" in length for hard to reach areas
• Should not exceed a maximum of 20,000 RPM
• Set includes SA-5: Cylindrical Shape 1/2" x 1"; SC-3: Cylindrical Radius End 3/8" x 3/4"; 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"

The Astro Pneumatic 2185 5-Piece Long Double Cut Carbide Burr Set 4.5 in.; includes a 1/4 in.; Shank and is composed of tungsten carbide. It is 4.5 in.; in length for hard to reach areas and should not exceed a maximum of 20,000RPM. Set includes SA-5: Cylindrical Shape 1/2 in.; x 1 in.;; SC-3: Cylindrical Radius End 3/8 in.; x 3/4 in.;; SD-3: Ball Shape 3/8 in.;; SF-3: Tree Shaped Radius End 3/8 in.; x 3/4 in.;; SF-5: Tree Shaped Radius End 1/2 in.; x 1 in.;