The Micro 100 Center Drill is a 3/64 inch diameter high speed steel center drill made in the USA. It has a straight shank and is designed for center drilling and spotting. The drill has a 118 degree split point tip for easy centering and smooth operation. It can be used on steel, cast iron, aluminum, brass, bronze, plastic and other materials. The drill has an overall length of 2-1/2 inches and comes with a bright finish for high visibility. It is rigid and precise for quality hole centering and starting.