4.5" 3-Jaw, front-mounting scroll chuck with 2-piece jaws and set-rite concentricity feature; 24mm bore; 3 ~ 95mm external clamping range on diameter; 29mm ~ 84mm internal clamping range on diameter; 12KN maximum static gripping force; 2500 max rpm; includes one set of reversible hard, soft jaws, and Haas 20-2774 adapter