12mm Uni-Pro 4FL Necked 30? Std Length Carbide End Mill, Plain Shank, Uncoated, 26mm LOC, 83mm OAL, 38mm Reach 26MM LOC,12MM SHANK,83MM OAL UNI-PRO Right Hand 30? Helix, Right Hand Cut, 4 Flute Standard Length Universal General Purpose Center Cutting Carbide End Mill with .15mm x 45? Corner Chamfer, 38mm Extended Neck Relief, Plain Cylindrical Shank, Bright Uncoated Series 3304 Guhring Part #9033040120000