Enhance your riveting tasks with this high-strength Steel Nut Rivet Mandrel set, designed for durability and compatibility with most standard nut riveters. Each mandrel features a riveting nut rod and nut lead mouth laid side by side for easy assembly and efficient use, helping to prevent loss and streamline your workflow. Housed in a colorful, sturdy plastic storage box, this set allows for convenient organization and classification of different mandrel sizes, making it an essential addition to your tool collection. Key Features: · High-Strength Steel Construction: Crafted from durable metal to ensure long-lasting performance and resistance to wear during heavy-duty riveting jobs. · Universal Compatibility: Fits most standard nut riveters, providing versatile use across a wide range of riveting applications. · Convenient Assembly Design: The riveting nut rod and nut lead mouth are positioned side by side, simplifying assembly and reducing the risk of misplacement. · Organized Storage Box: Comes with a colorful and sturdy plastic box that securely stores and classifies various mandrel sizes for easy access and transport. · Multiple Sizes Available: Optional mandrel sizes include M3, M4, M5, M6, M8, M10, and M12 to meet diverse riveting requirements. Specifications: · Material: High-Strength Steel · Sizes (optional): M3, M4, M5, M6, M8, M10, M12 · Color: Black · Package Dimensions: 58 x 25 x 25 mm (2.3 x 1.0 x 1.0 in) · Package Weight:  - M3, M4, M5, M6, M8: 40g (1.4 oz)  - M10: 49g (1.7 oz)  - M12: 55g (1.9 oz) Package Includes: · 1 x Nut Rivet Mandrel This Nut Rivet Mandrel set offers a cost-effective solution to replace worn mandrels without the need to purchase a new riveter. Its durable construction, ease of use, and organized storage make it an ideal choice for professionals and DIY enthusiasts seeking reliable riveting accessories.