4mm Uni-Pro 2FL Ball, Necked 30? Helix Extra Long Carbide End Mill, Plain Shank, Uncoated, 25mm LOC, 47mm Reach 25MM LOC,4MM SHANK,75MM OAL UNI-PRO Right Hand 30? Helix, Right Hand Cut 2 Flute Ball Nose Extra Long Length Universal General Purpose Center Cutting Carbide End Mill with 47mm Extended Neck Relief, Plain Cylindrical Shank, Bright Uncoated Series 3014 Guhring Part #9030140040000