This rivet nut tool kit is designed for installation and repair jobs across home, workshop, automotive, and DIY applications. It includes a one-handed rivet nut tool, 8 interchangeable mandrels, 80 rivet nuts, a step drill bit, a wrench, and a carrying case for organized storage. The tool is built with a die-cast aluminum alloy body and heat-treated steel parts for lasting durability. An ergonomic handle with a thickened grip helps improve comfort and control during extended use. The kit supports both metric and SAE sizes for added versatility.