16mm Trace-Tech 2FL Ball Nose Hard Profile Cutter, Plain Shank, Carbide nano-Si Coated, 24mm LOC, 42mm Reach 24MM LOC,16MM SHANK,92MM OAL TRACE-TECH / GF 300 B 2 Flute Right Hand 30? Helix, Right Hand Cut, Extended Neck Relief, Standard Length Ball Nose, Plain Cylindrical Shank, Center Cutting Carbide Hard Profile Cutter, nano-Si Coated. For precision contouring and die & mold work. Performs roughing, finishing, ramping, helical interpolation and copy milling in cast iron, steels and hardened steels to 62 HRc. Series 3359 Guhring Part #9033590160000