CGC Tools CEM14F3 Primate Square Nose End Mill, 3 Flute, 1/4" Diameter, 3/4" LOC, 2-1/2" OAL USA, Flat, 3 Flute, 1/4'' Diameter, 3/4'' Length of Cut, 2-1/2'' Overall Length Highest Transverse Rupture Strength (TRS) nano-grain carbide substrate available and completely resharpenable Extremely versatile in various materials, center cutting, solid sub-micron carbide GMP Edge Prepped to hone the "ridges" to reduce fracturing during the milling process while greatly increasing tool life and enhancing finish This weapon of mass production destroy any competition