Absolutely, positively, will not scratch or corrode Marketing Masters Composite Clip Nuts: • Lightweight, Torlon ®, non-metallic clip nuts for a myriad of applications xwhere traditional metal clip nuts were previously used. • Absolutely, positively, will not scratch or corrode. • Have the ability to withstand extremely high torque loads. • Are available in various length and thread size . The Ultimate Performance Fastener at the Lowest Possible Price.