"The Kitagawa FG series are speical design finger jaws which rotate in and down to clamp, this make them idela for holding flanges or other speical compounets. They also come with a equalisation mechanism for variable thickness. FG-A Series chucks ar...
"Steel serrated soft jaws to suit a 12 Inch power chuck. Jaws are manufactured from 080M15 Steel. Good Quality of of material allows for machining with a good finish."