Material: The wing nuts are made of high quality material, which is resistant to corrosion and has a long service life. Suspension bolts are made of high quality, which is durable and has good toughness. Suitable for: wing nuts suitable for fixing plates, blinds, , etc. for industrial equipment, automated devices. Hanger bolts can be widely used for joining wood products, and electrical appliances, DIY handmade. Notice: Please confirm the size and thread length before you buy them Clean the surface of the thread to prevent it from slipping. Type 1: Product Name: Wing Nuts Female Thread Size: M6 x 5.5mm (D x L) Type 2: Product Name: Hanger Bolt Thread diameter: M6 Total length: 30mm/1.18in Material: Metal colour: silver Package Contents: 1 set M6 Wing Nuts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.