5/32" x 1-3/8" Fluke length x 2-1/2" Overall length. Sub Micrograin Solid Carbide Jobber Drill. 118° split point flute. Precision Ground Carbide Drills are designed for high feed rates with good chip disposal on cast iron, aluminum, plastic, nonferrous alloys and other machined materials. Tolerance = Dia. +.000/-.0005 Metric = h7 The highest quality drill bit on the planet. The only Solid Carbide bit you will ever need! USA MADE