• Hardened high-speed steel shaft for strength, Titanium Nitride coated for smooth cutting power
• Like having 12-bits-in-1; drills hole-sizes from 7/16" to 1-1/8" in 1/16" steps
• Double-flute bit design produces faster, truer cutting in even hard metals
• Beveled shank for sure grip with any chuck

An outstanding value in a highly-versatile, quality-built cutting tool. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.