Are you still bothering about the fasteners?<br> These wing nuts would be the best choice for you to solve the problem. Twisting the nut by hand, you can fasten two parts(structures)together easily.<br><br> Specifications:<br> Size: 3/8"-16<br> Material: Carbon, zinc plated, anti-rust and anti-corrosion. Suitable for indoor and outdoor.<br> Feature: Easy to install and remove, can be used repeatedly.<br><br> Package Include:<br> 20pcs 3/8"-16 Wing Nuts