SIPTENK 7 SIZES METRIC WING NUTS: M3-25pcs, M4-30pcs, M5-25pcs, M6-25pcs, M8-10pcs, M10-6pcs, M12-4pcs; 125pcs metric black wing nuts assorted. HIGH-QUALITY CARBON STEEL ZINC PLATED: Siptenk butterfly-shaped black 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 black 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 black 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. PLASTIC STORAGE CONTAINER: Includes a durable but lightweight plastic storage container, which can protect the black butterfly wing nuts from rusting and keeps all screws stored intact. WIDE ALLPICATION: The black wing nut fasteners can be applied to a wide range of scenarios, such as: industrial manufacturing, furniture repair, car and boat RV repair, yard equipment, crafts and other DIY 3D projects. Our nuts are your great choice. AFTER-SALES: If you have any questions about Siptenk black wing nut kit, please feel free to contact us. We will do our best to help you solve the problem and ensure to provide you with a pleasant shopping experience. 125 PCS Metric Wing Nuts: M3 M4 M5 M6 M8 M10 M12