[Durable to Use] - The material of the turning tool holder is 42Cr steel, it has the characteristics of durability, sturdiness and stability, and good anti-rust performance.
[Finish] - Black oxide smooth finish on each turning tool holder marked with tool holder style and shank size for easy identification of the tool holder.
[Wide Range of Applications] - The boring bar is suitable for cutting step surface processing and other processing.
[Package Content] - You will receive 1pc MCKNL2020K12 20mm / 0.79inch shank diameter lathe turning tool holder(carbide insert not included) and 1pc 3mm wrench.