Stuller
Ball Vise Swing Arm

Measuring 6 inches in length, this swing arm is designed to support a ball vise during stone setting or engraving, providing an extra hand at the bench. It can be positioned to bring the ball closer to the user or pushed back against the bench, and cam locks are built in to secure it any angle. The design makes it suitable for use under a bench microscope. It weighs 74 ounces.