10mm RF100A 3FL Variable Helix, Necked Weldon Flat Shank, Standard Length Bright Carbide End Mill, 22mm LOC, 30mm Reach 22MM LOC,10MM SHANK,72MM OAL RF 100 A 3-Flute, Right Hand 39?/40?/41? Variable Helix, Right Hand Cut, Weldon Flat Shank, Standard Length, Extended Neck Relief, Center Cutting Carbide End Mill, .20mm x 45? Corner Chamfer, Bright Uncoated for Roughing and Finishing Aluminum & Aluminum Alloys, Brass, Bronze, Copper, Magnesium and Plastic Series 6702 Guhring Part #9067020100000