About This π§ 15 Mandrels & 200 Nutserts for SAE and Metric Sizes Includes 15 interchangeable mandrels (M3βM12, #6, #8, #10, 1/4", 5/16", 3/8", 1/2'') and 200 rivet nuts to meet all your automotive, mechanical, and DIY repair needs. All parts are neatly organized in a durable storage case for fast access and portability. π οΈ Exclusive Stroke Adjustment Window β Avoids Overtightening Easily monitor and fine-tune the riveting stroke with our built-in stroke adjustment window. Prevents mandrel breakage and ensures secure, professional installations every time β even for beginners. πͺ Invest In Quality - A kit loaded with hundreds of rivet nuts and a budget-grade tool may look like a bargain -- but what happens when the tool gives out while you still have plenty of rivet nuts left? Don't risk a mid-project breakdown. Our professional-grade rivet nut tool is built for durability, precision, and repeat performanceβso you can finish every job with confidence. π Perfect for Automotive & Metal Projects Ideal for installing threaded inserts in thin metal, pipes, boxes, and body panels. Whether you're working on a car chassis, motorcycle fender, aluminum frame, or metal cabinet β this tool kit gets the job done fast and clean. π All-in-One Kit with Bonus Measuring Tools Comes with a stroke gauge and thickness gauge to help you match the right rivet size and prevent damage. Thoughtfully designed for professionals, DIYers, and repair enthusiasts alike.