Plastic Case Drill Bit Set includes 13 pieces, 1/16 - 1/4 in. All sizes 3/16 in and larger have 3 flats on the shank so that the drill chuck gets a better grip on the drill bit.
All sizes 13/32 in and above have a 3/8 in reduced shank
All sizes 13/32 in and above have a 3/8 in reduced shank
135 deg split point eliminates the need for a center punch and keeps the drill from skating on hard materials