Construction: Made from high-quality materials, the Hand Riveter is built to last, providing long service life. Can pull nuts: M3, M4, M5, M6, M8, M10; or: M6, M8, M10, 1/4-20; 5/16-18; 3/8-16. Ergonomic and Comfortable: T he Professional Rivet Nut Tool Kit is equipped with ergonomic handles for comfortable operation.
eBay