Specification Brand : ONLISUM BulletPoint1 : Material: These jack nuts are made of carbon steel, reliable, rust and corrosion resist, can serve you for a long time BulletPoint2 : Features: Precise dimensions and threads, these petal shape metal nut can perfectly fit the hole and bolt BulletPoint3 : Easy To Install: Use a professional rivet tool, or clamp the rivet nut with a wrench, then use a screwdriver to hold the screw and material in place to complete the installation BulletPoint4 : Wide Application: Perfect for iron plate, hollow plate, aluminum alloy frame, license plate, drying rack and container tag BulletPoint5 : Package Includes: You will receive 26 pieces of 1/4-20 inch jack nuts, the quantity is enough for your daily use Color : As Shown DriveSystem : External Hex ExteriorFinish : Zinc FinishType : Polished ItemName : ONLISUM Jack Nuts 26 Pcs 1/4-20 Expansion Screw Petal Nut Metal Insert Nuts for Hollow Wall Iron Plastic Polywood Pressboard Hardboard ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : rivet-nuts Manufacturer : ONLISUM Material : Steel MetalType : Carbon Steel ModelNumber : AS4429XSFE5XND16HDO NumberOfItems : 26 PartNumber : AS4429XSFE5XND16HDO ProductDescription : Features: These jack nuts are made of carbon steel, reliable, rust and corrosion resist, can serve you for a long time. Precise dimensions and threads, these petal shape metal nut can perfectly fit the hole and bolt. These petal nuts are perfect for iron plate, hollow plate, aluminum alloy frame, license plate, drying rack and container tag, ect.