General description The Record Irwin No.1 Mechanics Vice is a highly popular and widely used general-purpose vice designed for light to medium-duty applications. It features high-quality grey iron castings that resist distortion under severe pressure, ensuring durability and reliability. Technical specifications Jaw Width: 200mm (8 in) Material: Grey iron castings Jaw Plates: Hardened steel replaceable Usage Ideal for light to medium-duty applications Provides smooth action due to the dovetailed, long-barrelled, unbreakable nut