3 Inch Super-Lock Vise For NC/CNC Machines ~ Lock down type. ~ Ideal for all types of milling, grinding, drilling and tapping applications in multiple vise set-ups. ~ Flatness of all sides to .001″ guaranteed. ~ Can be mounted upright, left and on the right side. ~ Both sides parallel to each other to .0005″ per 4″. ~ Up to 3000 newtons clamping force. ~ 30% down force. Lock down type. Ideal for all types of milling, grinding, drilling and tapping applications in multiple vise set-ups. Flatness of all sides to .001″ guaranteed. Can be mounted upright, left and on the right side. Both sides parallel to each other to .0005″ per 4″.