Item 100% Brand New, the quality is good. Material: Steel Color: Silver Features: Can be used for punching, such as metal, plastic,aluminium and wood. Good wear resistance. High working efficiency, perfect punching effect and long using life. Convenient to drilling, simple to use, safe and reliable. Widely used in precision punching technology and slotting, such as vajra bodhi olive nuclear walnut punching. Specifications: Diameter: 0.5;0.6;0.8;1.0;1.2;1.5;1.8;2.0;2.5;3.0mm / 0.02;0.02;0.03;0.04;0.05;0.06;0.07;0.08;0.10;0.11in Diameter Length 0.5mm 23mm 0.6mm 29mm 0.8mm 35mm 1.0mm 34mm 1.2mm 43mm 1.5mm 49mm 1.8mm 51mm 2.0mm 51mm 2.5mm 60mm 3.0mm 61mm Package includes: 10Pcs x White Steel Drill Bits