Master Mechanic, 29 Piece, Titanium Drill Bit Set, For Drilling Wood, Plastic, Wallboard, Plywood, Soft Metals, Aluminum, Brass, Bronze, Set Contains 116, 564, 332, 764, 18, 964, 532, 1164, 316, 1364, 732, 1564, 14, 1764, 932, 1964, 516, 2164, 1132, 2364, 38, 2564, 1332, 2764, 716, 2964,1532, 3164, 12, 3 Flats On Shank Reduce Slipping In The Chuck, 135 Split Point, Jobber Length, 38 Shank, Features 135 Split Point Angle With 4 Cutting Edges, Eliminates Walking Provides Fast Penetration, Titanium Lasts 3 Times Longer Than Black Oxide Bits, Organized In A Durable Case, Clamshell