1Made of highspeed steel material, high hardness, good wear resistance, durable 2Small size, light weight, easy to carry, easy to operate, bring you more convenience 3Suitable for small drill bits of soft metal, wood, plastic, 5mm thick steel, aluminum alloy and other soft metals 4Can be used for drilling alloy steel, wood, nonferrous metals, cast iron, hard plastics 560pcs drill bits combinations, large in number, can meet your use and replacement needs, very practical Item Type: Twist Drill Material: High Speed Steel Surface Treatment: Titanize Application: Used for Drilling Wood and Plastic Specification: 1.0mm Twist Drill Total Length 32mm 1.5mm Twist Drill Total Length 40mm 2.0mm Twist Drill Total Length 48mm 2.5mm Twist Drill Total Length 54mm 3.0mm Twist Drill Total Length 60mm 3.2mm Twist Drill Total Length 60mm 60 x Twist Drill Note: 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.