3 Watch Bench Movement Holder Clamp-On Bench Vise Tools. Clamp On Bench Vise. 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. Revolves for convenience and can be locked into position. 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. Clamp On Bench Vise. This is a new clamp on bench vise. Used for metal working, jewelers and hobbyists. Easily mounts to your bench using built-in clamp. Has slightly angled jaws that measure approximately 2" (50 mm) and opens to 1 1/4" (31 mm) full thread. Watch Case Movement Holder. This is a new watch case movement holder. Great for watch repair, holding watch cases, work materials and tools. This clamps onto the edge of your bench. Made of aluminum and will hold a variety of sizes. Adjusts to benches up to 1 1/8" (27 mm) thick. Jaws open to 1 1/2" ( 38 mm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.