Clamp-On Bench Vise Jewelers Metalsmith Holder Saw Tool This is a new clamp on bench vise Used for metal working, jewelers and hobbyists Has one flat jaw and the other features horizontal and vertical centerline grooves Easily mounts to your bench using built-in clamp Has slightly angled jaws that measure approximately 1 3/4" (44 mm) and opens to 1 1/8" (28 mm) full thread