WIDE APPLICATION: stainless steel sets are perfect for professional, hobbyist, homeowner, DIYer, men, women repair, woodworking, construction, plumbing, HVAC , etc. They also worked well for 3D printed projects. Use on sheet metal and wood. HIGH QUALITY: Flat head blind nuts are made of high quality stainless steel. Stainless steel is sturdy and has good corrosion resistance in adverse environment like high temperature, cold and high humidity area. They have superior rust resistance and excellent oxidation resistance, which can guarantee a long time to use SAFETY AND SMOOTH: Our flat head blind nuts adopt high quality material , which is environmental protection and non-toxic. In use, no toxic substances are released to ensure your safety NET THREAD: Our flat head blind nut thread is very sharp, clean and precise. And the compact wire is not easy to deform and slip in the process of rolling. FUNCTIION: They can be applied to fix the bathtub, mount storage containers against the