uxcell 1/8" Diameter 1/4" Shank 4 Flutes HSS Spiral End Mill Drill Bit Product Name : End Mill;Material : HSS Color : Gray;Cutting Diameter : 3.2mm/1/8" Cutting Depth : 12mm/0.5";Shank Diameter : 6.3mm/1/4" Total Length : 58mm/2.3";Weight : 18g Package Content : 1 x End Mill