About This 【SPECIFICATION】Drill bit size: 1/16*2, 5/64*1, 3/32*2, 7/64*1, 1/8*2, 9/64*1, 1/4*1, 7/32*1, 3/16*1, 5/32*1 【TRU M35】Made of industrial grade Cobalt M35 high speed steel, 2X lifetime compared to standard jobber drill bits with extraordinary durability and tough wear resistance 【135°SPLIT POINT】135°split point design helps to effectively reduce walking while drilling hardened materials and accelerates drilling speed by automatic self-centering 【GOLD OXIDE FINISH】Industrial gold oxide finish prevents rusting and corrosion, keeping CRALY drill bits more lasting than regular ones 【APPLICATION】Compatible with corded and cordless power drills. This drill bit set is ideal for precise drilling on hard metal, stainless steel, cast Iron, plastic and wood Overview Finish Type : Gold Oxide Shank Type : Straight Cutting Angle String : 135 Degrees Brand : CRALY Tool Flute Type : Spiral