Description: Portable and compact size to be stored easily in pocket or tool box. Useful small hand drill for precise drilling, electronic assembling, tool making, model making, jewelry engraving, and hobbies. High Speed Steel 4241: high hardness, good wear resistance and durability. Excellent chip evacuation due to better surface treatment. The tool has the special flute shape and geometry for suitable machining of aluminum,ordinary steel,iron,copper, wood, plastic and other materials drilling.