The 404-3 Copper Jaw Caps feature a 3" jaw width, designed for use with Jet Tools vises. Made from high-quality copper, these jaw caps provide excellent resistance to wear and corrosion, ensuring longevity in demanding applications. Their precision-engineered design ensures a perfect fit, enhancing the clamping ability of your vise. Ideal for metalworking and woodworking, the 404-3 jaw caps are easy to install and replace, making them a practical choice for both professionals and DIY enthusiasts. Upgrade your vise with these reliable copper jaw caps for improved functionality.