10mm RF100S/F90? 5FL 45? Helix Plain Cylindrical Shank Necked nano-A Coated Carbide End Mill, 30mm LOC, 32mm Reach 30MM LOC,10MM SHANK,80MM OAL RF 100 S/F 90? 5-Flute Right Hand 45? Helix, Right Hand Cut, Plain Cylindrical Shank, Extended Neck Reflief, Extra Long Length, High Performance Center Cutting Carbide End Mill with 90? Sharp Corners, Nano-A Coated for Universal Finishing Materials up to 48 HRc. Series 6763 Guhring Part #9067630100000