3" Hand Vise Jewelers Metalsmith Hobbyist Clamp Tool This is a new hand vise Used for metal working, jewelers and hobbyists It has a spring action in the handle to keep the jaws open The insides of the jaws are serrated and are closed by turning the wing screw The jaws measure approximately 1 1/8" (28 mm) wide and open to 1/2" (12 mm)