6.5" 3-Jaw, front-mounting scroll chuck with 2-piece jaws and set-rite concentricity feature; 45mm bore; 3 ~ 160mm external clamping range on diameter; 48mm ~ 150mm internal clamping range on diameter; 31KN maximum static gripping force; 4000 max rpm; includes one set of reversible hard jaws, soft jaws, mounts onto Haas 20-4347 adapter