Superior Parts SP KN70164C Aftermarket Piston Driver Without O-Ring Compatible with Max SN883RH2 - (Japanese Carbide Blade) - KN70164 & KN70091
- Japanese Carbide Blade SKH-9
- Heat Treated to Rockwell C Hardness 64-66
- Typically used in making professional grade dies, taps, punches and tooling
- In field tests it lasts significantly longer than the US S7 Steel
- Aerospace grade #2024 Aluminum piston |Mechanically locked piston driver interface