Features -- Butterfly wing nuts is made of high quality stainless steel, corrosion resistant, strong and durable. Thread is better for brittle material, ensure a long lasting hold. Dimension -- Square wing nut inner diameter: M12:12mm/0.47", M10:10mm/0.39", M8:8mm/0.31", M6:6mm/0.23", M5:5mm/0.19", M4:4mm/0.15", M3:3mm/0.11". Metric Measurement! Easy to Use -- Features two stainless steel butterfly shape wings, one on each side , easy twist the nut by hand without any other tools. Application -- Wing nuts are suitable for places with high adjustment frequency, such as industrial manufacturing, fast positioning clamps, musical instruments, machinery and equipment, communications equipment, hardware lighting, furniture decoration, etc. Package Includes -- Total 100 pcs wing nuts, includes 7 most used sizes: M3(25pcs), M4(25pcs), M5(20pcs), M6(10pcs), M8(10pcs), M10(6pcs), M12(4pcs), organized by size in a transparent storage case for quick access and protection. WHY CHOOSE US?
✔ High quality wing nuts assortment kit.
✔ Suitable for machinery and equipment, electronic equipment, communications equipment, hardware lighting, building bridges, furniture decoration, etc.
✔ Made of high quality 304 stainless steel,corrosion resistant,strong and durable.
✔ Organized by size in a transparent storage case for quick access and protection.
✔ Complete size to meet the needs of different occasions.

Package includes:

25PCS M3 - 1/9''
25PCS M4 - 5/32''
20PCS M5 - 3/16''
10PCS M6 - 1/4''
10PCS M8 - 5/16''
6PCS M10 - 3/8''
4PCS M12 - 1/2''

Note: Due to different measuring tools, there will be slight dimensional deviation. Thanks for your understanding.