Tapered End Mills (H.S.S.) - 10 Degree Per Side Tip Dia.: 3/32", LOC: 1/2", Shank: 3/8", OAL: 2-1/2" High Speed Steel Tip Diameter: 3/32" Flute Length: 1/2" Shank Diameter: 3/8" Overall Length: 2-3/8"