10mm Uni-Pro 4FL Necked 30? Helix X-Long Carbide End Mill, Plain Shank, Firex Coated, 40mm LOC, 100mm OAL, 60mm Reach 40MM LOC,10MM SHANK,100MM OAL UNI-PRO Right Hand 30? Helix, Right Hand Cut, 4 Flute Extra Long Length Universal General Purpose Center Cutting Carbide End Mill with .10mm x 45? Corner Chamfer, 60mm Extended Neck Relief, Plain Cylindrical Shank, Firex Coated Series 3023 Guhring Part #9030230100000