20 PC Tin Coated DOUBLE SIDE END MILL Drill HSS 3-16 - 3/4" Two Four 2 4 Flutes 20 PC Tin Coated End Mill Set 4 Flutes: 3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2", 9/16", 5/8", 11/16" and 3/4" 2 Flutes: 3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2", 9/16", 5/8", 11/16" and 3/4" Center cutting design allows mills to be used as drills ; Wooden storage case dim: 6-1/4'' x 6'' x6" Made of M2 titanium nitride-coated high speed steel; Quantity: 1 Set