Durable Wing Nut: Made Of High Quality 304 Stainless Steel, It Is Corrosion Resistant, Not Easy To Rust And Durable, And Is Much Better Than Ordinary Iron Or Carbon Metals. Quantity Size : Stainless Steel Wing Nut, There Are 4 SizesM4, M5, M6, M8, Each Size Has 10 Nuts, The Number Is Enough, A Variety Of Sizes To Meet Your Different Needs. Butterfly Design : The Appearance Of Our Nut Is Similar To The Wing Of An Airplane, So It Is Also Called A Wing Nut. Designed For Convenient Hand-Tightening Operation. Especially In The Case Of Frequent Tightening And Convenient Installation, The Nut Can Be Tightened By Hand Without Any Other Tools. Clear Thread: Crisp And Clear Thread, Uniform Force And Not Easy To Damage, Standard Size, Convenient To Use, Easy To Install And Convenient To Screw On. Widely Used: Wing Nuts Are Mainly Used In Electronic Products, Household Appliances, Communication Antennas, Shipbuilding, Aerospace, Machinery Manufacturing, Led Lamps, Displays And Other Industries Requiring Frequent Equipment Isolation, Disassembly And Maintenance.