Gripper jaws can be a great way of getting round part movement in roughing operations, this is by use of teeth in the jaw which bite into the material. This biting can also be a great way to get round problems using black bar or other rough material....
KSJ-06 Steel Soft Jaws Steel serrated soft jaws to suit a 6 Inch power chuck.
Jaws are manufactured from 080M15 Steel.
Good Quality of of material allows for machining with a good finish.