Meng Precision Hobby Pin Vise Set with 10 drill bits. The one piece forged handle is made of aluminum alloy. Treated by anode shot blasting, it has great apperance. The handle end features a quality bearing for smooth drilling and good hand feeling. This set includes drill bits made of tungsten steel. The drill bits made of tungsten steel. The drill bit is sharp and strong. It features low drilling resistance and smoot removal of waste material. The set includes 0,4 - 1,3mm drill bits which cover the needs of model building.