Features: The rivet nut tool set offer double functionality with both manual and electric riveting capabilities, significantly enhancing work efficiency across various applications. Crafted from high strength steel, this tool ensures durability with excellent wear resistance and corrosion protective, featuring a ergonomic handle for comfortable long term use. For professional technicians in automotive repair, DIYer enthusiasts, construction workers, and small factory assemblers who require frequent and efficient riveting operations. Perfect for automotive repairs, home renovations, electronic device assembly, and metal processing, providing stable and precise nut connection in diverse setting. With its lightweight designing and quick changes rivet heads, the rivet nut tool set is portable solution for those seek reliable performances mobile work environment. Specifications: Component:Alloy Size:Approx.3.3cm/1.3inch Size:Approx.3.4cm/1.33inch Size:Approx.4.0cm/1.57inch Size:Approx.4.1cm/1.61inch Size:Approx.4.8cm/1.89inch Size:Approx.5.6cm/2.2inch Package Includes: 1 Set Hand Rivet Nut Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.