Black oxided smooth finish on each turning tool holder style and shank size.
Each tool holder comes with a carbide insert with positive rake cutting angle and built-in chip breaker great for general purpose cutting action.
Blades exquisite workmanship, high strength, high toughness, stable and durable. If you need more 16erag60 or 16irag60 inserts ,please search for ASIN : B07FFR8K53 , B07FFPFT93