【Ergonomic Straight Handle Design & Smooth Operation】Featuring a straight handle wrapped in premium soft rubber and equipped with a precision force arm controller. This design effectively optimizes grip force application, making every squeeze smooth and controlled. The silky-smooth action significantly reduces hand fatigue even during extended use. 【Built for Longevity】 With a durable structure that boosts its strength — the nut sert kits stands up distortion. Whether you’re tackling garage DIY projects or cranking through pro jobs, this build of the rivet nut tool won’t wear down fast. The quick-change head design enables seamless, tool-free mandrel swaps in seconds 【Complete Riveting Set】 Your ultimate field-ready nutsert tool kit includes 6 mandrels (M6, M8, M10, 1/4-20, 5/16-18, 3/8-16) and 80 rivet nuts in a rugged case—eliminating hardware store runs and mismatched parts. This all-in-one solution tackles most of jobsite fastening tasks instantly, while the rugged 【Color-Coded System for Quick Setup】 Color-matched mandrels snap into same-hued box—find the right size at a glance, even with greasy hands or low light. While the easy installation steps of this high quality rivnut tool kit eliminates fumbling, cutting setup time drastically 【Universal Jobsite Reach】 Tackle everything from auto panels to HVAC ducts with this universal rivnut tool metric. Its contoured palm-fit handle delivers buttery smooth opening and closing action, letting you work faster with less hand strain. Save time and labour while handling most of home maintenance