M42 Steel, Jobber Lengths. Cle-Line's Premium COBALT Series, 1802. 60 Number Wire Gauge Drill Bits #1 to #60. Each bit Stamped (#38 & Larger). 135 Degree Split Point - Prevents Bit Walking. 26 Letter Sizes A to Z. Each bit Stamped.
The drills are accurate and straight. They were well worth the additional price. I'll probably have to lock them up to keep my son from using (losing) them.