9W-8366 (8E-8411) Caterpillar ripper shank. The material is Russian alloyed steel 40CrNi2Ma with a content of chromium, nickel and molybdenum or 30CrMnSi chromium, manganese, and silicon. Steel is not afraid of extremely low and high temperatures, it is efficient up to +400 degree Celsius. Well welded with preheating up to 250 degrees Celsius.
Price ripper shanks specify at managers.