Product Features:135 degree split point design for drilling of most metalsHigh speed M2 steel with Titanium Nitride coating for long lasting quick drillingUseful for extracting broken screws and studsComes with metal storage caseSizes include: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64