- Set of 60 CCLIFE M12 rivet nuts (18 mm x 22 mm) made of galvanized carbon steel, resistant to rust and deformation. - Design with deep internal thread and knurled surface that improves friction and holding strength, preventing slippage. - Easy to install in materials such as steel, plastic, and fiberglass, ideal for DIY projects, workshops, and professional use. - Includes a plastic storage box with labeled compartments to keep the nuts organized and accessible. - Efficient and durable solution for secure fastenings on different surfaces.