21-Pieces Gold Oxide Drill Bit Set

21-pieces gold oxyde drill bit set with self centering 135° split point design. Suitable for wood, metal and plastic, the gold oxyde coating is a more cost-effective solution than cobalt or titane but still helps prevent heat built up which lengthens the bits life. This 21-piece set goes from 1/16 in to 3/8 in. increasing by 64ths and comes in a storage case with identified bit spaces.