5mm RF100VA Ball Nose 4FL Variable Helix, Plain Shank, Necked Carbide End Mill, nano-A Coated, 13mm LOC, 18mm Reach 13MM LOC,6MM SHANK,57MM OAL RF 100 VA Ball Nose 4-Flute Right Hand 36?/38? Variable Helix, Right Hand Cut, Plain Cylindrical Shank, Nano-A Coated, Extended Neck Reflief, Center Cutting High Performance Standard Length Carbide End Mill For Stainless Steels, Steels, Cast Iron, Titanium / Nickel Alloys & Other Special Super Alloys Up to 54 HRc Series No. 6707, Order Code 005.0000, Guhring Part #9067070050000