14 Rivet Nut Tool Kit, Professional Rivnut Tool Gun with 6 Metric Mandrels, 50pcs Rivnuts, Heavy-Duty Hand Riveter Set for Automotive & Sheet Metal, with Rugged Storage Case

6 Mandrels & 50 Rivet Nuts This heavy-duty rivet nut tool kit includes 6 interchangeable mandrels (Metric: M3, M4, M5, M6, M8, M10) and 50pcs rivnuts in matching sizes. Suitable for a wide range of materials and applications, from automotive repairs to sheet metal and DIY projects., Quick-Change Head Design Features a tool-free, spring-loaded quick-change system for fast mandrel swaps without extra tools. Whether you’re a beginner or a seasoned mechanic, this rivet gun kit's intuitive mechanism makes switching sizes smooth and hassle-free., Effort-Saving 14 Design Engineered with double compound hinges and ergonomic handles, this 14 rivnut tool kit provides excellent leverage while remaining compact and easy to handle. This nutsert tool kit saves more effort than typical 13 tools and is ideal for confined working spaces., Built to Last Crafted from high-strength carbon steel with heat-hardening and black phosphate finish, the rivet tool delivers excellent corrosion resistance and durability. Chrome-plated mandrels ensure long service life, and ergonomic non-slip handles provide better grip and control during use., Organized & Portable Kit Packaged in a rugged blow-molded case with clearly organized slots for all components. Includes a spanner, detailed user manual, and reliable after-sales support—everything you need for fast, secure, and professional rivet nut gun installation.