VERTEX K Type Milling Vise,knuckle VISE,VK-4,5,6,8 鷹牌K型虎鉗 FEATURES: knuckle VISE 1. Its a practical piece of equipment with excellent precision and a high quality finished. 2. Body, movable jaw and swivel base made of close-grained high tensile iron castings. Built for heavy duty machining and retained accuracy. 3. Jaw plates were made of hardened and grounded tool steel. 4. Its the most suitable for the Milling, Grinding and Drilling.