PERFORMANCE: Aluminum 4 inch Vise Jaws can use on any metal Vise for holding wood, metal, plastic, tubing, threaded items safely to protect any product flat or round.APPLICATION: The magnetic Vise jaws are great with of vices, including block, bench vices, mill , drill press vices and so on.ADVANTAGE: Strong embedded magnets keep jaws in place securely.DESIGN: Special designed V-Shaped surface and ledge can hold and protect round or hex parts and support flat parts while clamping.Great for holding wood, metal, plastic. perfect for all kinds of shop, craft, jewelry, and gunsmithing projects.The Aluminum Vise Jaws will not discolour or leave any marks on the working pieces.Applications:The magnetic Vise Jaws are highly compatible with of vises, including vise block, drill press vise, brass hammer, , bench vise, mill and so on.The vise jaws are commonly used in Gunsmithing, Engineering, Automotive, Carpentry, Jewellery, Golf, Bicycle, Toolmaking, Fishing, Plumbing.colour:Silver + blackMaterial:Aluminum alloy + rubbersize:Length: 10cmPackage Contents:1 set * Vise Jaws CoversOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.