The MHSJ3 Series, 3-finger grippers adds a dust cover to protect from the work environment. These are optimal for gripping spherical, cylindrical or round work pieces and loading or unloading of work pieces from the chuck of a machine tool. Its wedge cam design minimizes its overall size while retaining a high holding force making it suitable for end-of-arm (end effector) or space constrained pick and place applications.