Item Description:Description mini drill kit is suitable for PCB, crafts, jewelry, watch making and so on.Twist drill bits are precise, accurate and efficient, and durable.Suitable for wood, plastic, rubber, model and others material to drilling hole.Straight shank twist drills are mainly composed of shank and working parts.Strong compatibility, high practicability, material, lifelong lasting time.Specification:Material: HSS.Color: as pictures shown.10pcs: 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, 2.8mm, 3.0mm.25pcs: 0.5mm, 0.6mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.35mm, 3.0mm.Item Specification:DIY Supplies: WoodworkingType: Twist Drill Bitlength: 3mmUse: Metal Drillingis_customized: YesMaterial: Other