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....
Cast iron gridded angle plate .Grid pattern with allignment bushes and threaded inserts for ease of set-up. Ground flat parallel and perpendicular for accuracy. To suit verticle or horizontal machining centre applications.