Description:Comes with 150 drill bits with different sizes and the straight shank design, this drill bit set has the merits of multipurpose, professional on woodworking, engineering using or DIY.Adopting a storage box, it is convenient for you to store and find these mini drill bits when using, and with the fine workmanship and high-end material, this set has a longer life, higher hardness and better durability.These drill bits are made of high speed steel material.The size range of the drill bits is 0.4mm to 3.2mm, and the length of this set is 20cm, the width of this set is 16cm and the height of this set is 5cm.It is suitable for woodworking, drilling, carving, etc.Item Name: Drill Bit SetMaterial: High Speed SteelFeatures: Multipurpose, Wear-resistant, High HardnessSize Details: Box Size: 20cm x 16cm x 5cm/7.87" x 6.3" x 1.97" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:150 x Drill Bits