Click on link below for Amada Brochure with specifications:
https://www.amada.com/america/brochures/general-fabrication/ID40IV-HP-
NT/html5/index.html?&locale=ENG
KSJ-10H Steel Soft Jaws 10 Inch
Steel serrated soft jaws to suit a 10 Inch power chuck. Jaws are manufactured from 080M15 Steel.
Good Quality of of material allows for machining with a good finish.