uxcell 5/16" Diameter HSS Straight Shank 3 Flute Cutter End Mill Tool Product Name : End Mill;Material : HSS Spec. : 3 Flute;Cutting Diameter : 8mm/ 5/16" Cutting Depth : 19mm/0.748";Shank Diameter : 8mm/ 5/16" Total Length : 63mm/2.48";Color : As Picture Shown Weight : 25g;Package Content : 1 x Straight Shank End Mill