4mm Uni-Pro 3FL Necked 30? X-Long Carbide End Mill, Plain Shank, Firex Coated, 25mm LOC, 75mm OAL, 47mm Reach 25MM LOC,4MM SHANK,75MM OAL UNI-PRO Right Hand 30? Helix, Right Hand Cut, 3 Flute Extra Long Length Universal General Purpose Center Cutting Carbide End Mill with .05mm x 45? Corner Chamfer, 47mm Extended Neck Relief, Plain Cylindrical Shank, Firex Coated Series 3680 Guhring Part #9036800040000