Uxcell a14052900ux0873 4 Pcs HSS Straight Shank 4 Flute End Mill 6 mm x 6 mm x 13 mm x 59 mm (Pack of 4) Product Name : End Mill; Material : HSS Spec. : 4 Flutes; Cutting Diameter : 6mm/ 15/64" Cutting Depth : 13mm/ 0.51";Shank Diameter : 6mm/ 15/64" Total Length : 59mm / 2.3";Weight : 66g Package Content : 4 x Straight Shank End Mill