【EASY TO USE】- Tool-free quick-change head design make it simple to change mandrels and nose pieces quickly without the need for additional tools, smooth your project and save your time | 【DESIGN FOR SAVING ENERGY】- The 16 inch longer carbon steel arm and ergonomic handles with double compound hinges maximizing leverage , it can save more effort than those normal 13 inches rivet nut tool do | 【WIDE APPLICATIONS】- Provide a customized fastener solution for wide riveting applications, such as body panels, bicycle attachments, furniture and decorations, especially for off-road / Jeep modifications | 【COMPLETE ACCESSORIES】- Equipped with 12PCS interchangeable mandrels(Metric M3 M4 M5 M6 M8 M10 M12; SAE 10-24, 1/4-20, 5/16-18, 3/8-16，1/2-13) and 115pcs rivet nuts | 【SATISFACTION & WARRANTY GUARANTEED】- We back all hand rivet nut tool with 30 days Money-back and 2-Year Guarantee for your satisfaction. If you meet with any problem, please email us with your order number, we will offer efficient customer support at earliest

Fits all standard 1"-7/8“” marine antennas | Material is ss316，stailess steel 316 ，top material to anti-rust. | Easy to t install and disassemble | For any question，just feel free to contact us by order message，we will reply in 24 hours