HIGH-QUALITY CARBON STEEL ZINC PLATED: Siptenk butterfly-shaped nuts are made of premium carbon steel zinc plated, which has better corrosion and rust resistance and pressure resistance, so you can use the wingnuts for a long time.
PRECISE & CLEAN THREADS: The wing nuts assorted sizes inclding mini wing nuts, with fine manufacturing process for smooth surface and clear threads without burrs, ensure users have a good purchase experience.
EASY TO INSTALL: The carbon steel wing nuts, with smooth finish, no sharp edges or burrs, have a wing on each side to help you unscrew the nut without a tool, easy to hold and convenient to use.