Uxcell a11103100ux0074 5/16" x 5/16" Straight Shank 4 Flute Endmill Milling Cutter Product Name : End Mill; Material : HSS Spec. : 4 Flute; Cutting Diameter : 7.9mm/ 5/16" Cutting Depth : 22mm/ 7/8";Shank Diameter : 7.9mm/ 5/16" Total Length : 65mm/2.56";Color : As Picture Shown Weight : 27g;Package Content : 1 x Straight Shank End Mill