SPEC Material: Carbon steel Compatible SizesM4,M5,M6,M8,M10 FEATURES HEAVY-DUTY CONSTRUCTION: Made of hardened carbon steel for long-lasting performance and resistance to wear and tear. Designed to handle tough materials such as steel, aluminum and plastic. ERGONOMIC HANDLE DESIGN: Comfortable, non-slip handle reduces hand fatigue and makes it easy to apply high leverage forces over long periods of time. WIDE RIVET NUT COMPATIBILITY: Compatible with a wide range of rivet nut sizes (M5, M6, M8, M10), making it a versatile tool for automotive, industrial and home DIY applications. QUICK CHANGE HEAD MECHANISM: Features an easy-to-use interchangeable mandrel system that allows for quick and easy switching of nut sizes, increasing efficiency and reducing downtime. COMPACT AND PORTABLE:The tool is lightweight and portable and fits securely in your tool bag, perfect for transportation and field repairs. Package Included: 1*Multi-Functional Portable Manual Rivet Nut Pulling Tool