This set is precision made for high speed drilling in steel. It is one 
of the finest imported drill sets available. The set consists of eight 
silver and deming drill bits from 9/16" up to 1" by sixteenths in a 
custom made hand crafted wood storage case. All bits have a 
cut down 1/2" straight shank and are 6" in length with about 3" 
of flute. These are not tapered bits.  Set includes 9/16", 5/8", 
11/16", 3/4", 13/16", 7/8", 15/16, and 1".