Save money and replace nut rivet mandrel instead of buying a new riveter.Features:The riveting nut pole and the nut l-ead the mouth to be possible necessary to assemble are laying a-side together.Easy to use and prevents loss.Fits most standard nut riveters.Made from high strength steel.Come with a colorful sturdy plastics box for store and classify the size of different mandrels.Specifications:Size: M3, M4, M5, M6, M8, M10, M12 (optional)Main color: blackMain materia: metalPackage size: 58 * 25 * 25mm / 2.3 * 1.0 * 1.0inPackage weight:M3, M4, M5, M6, M8: 40g / 1.4ounceM10: 49g / 1.7ounceM12: 55g / 1.9ouncePacking List:1 * Mandrel Note: The product may have a slight tolerance of 1-3 mm/1-3 g in size/weight, and the image color may differ from the actual item due to lighting.