General description The IRWIN® Record® No.1 Mechanic's Vice is a popular and widely used general-purpose vice designed for light to medium-duty applications. It is known for its rigidity and robustness, making it a reliable tool for various tasks. Technical specifications Jaw Width: 75mm (3in) Body and sliding jaw material: Close grained grey iron Jaw material: Hardened steel (replaceable) Main screw: Two-start rolled acme thread for faster operation Other information Fused steel handle that bends before the vice can be overstressed Safety stop to prevent the slide from being separated from the body A full line of replacement parts available