Item#:010502003
•Drill carbide, abrasive material, glass, marble, masonry, rocks and concrete
•Super duty diamond coating on nickel-plated high speed steel for professional results on almost any surface
•New, improved flute-less design
•Lasts longer and works better than twist designs
Sizes: (1) 1/16", (1) 1/8", (1) 3/16", (1) 1/4"
Material: Nickel plated steel
Max Speed: 30,000 RPM