10mm 4FL Rough-Tech 48 Necked Fine Tooth Bright Carbide Rougher, Weldon Flat Shank, 22mm LOC, 32mm Reach 22MM LOC,10MM SHANK,72MM OAL ROUGH-TECH 48 / GS 100 U Right Hand 30? Helix, Right Hand Cut, 4/5 Flute Standard Length Center Cutting High Performance Fine Tooth Carbide Rougher, Weldon Flat Shank, .30mm x 45? Corner Chamfer, Bright Uncoated for Ramping and Helical Interpolation Roughing All General Steels to 48 HRc, High-Alloyed Steels, Titanium & Nickel Alloys. Series 3204 Guhring Part #9032040100000