16 Piece, Pilot Point Drill Bit Set, With Pilot Point Tip, Starts On Contact For Clean, Accurate Holes, Reduces Lock Up On Breakthrough, No Spin Shank Eliminates Bit Spinning In Chuck, Tapered Web Provides Greater Durability To Reduce Breaking, Size Markings Located Above Shank To Prevent Wearing Away, For Drilling In Wood, Metal Or Plastic.