Specification Brand : RAW PRODUCTS CORP BulletPoint1 : A T-nut, T nut, or tee nut (also known as a blind nut, which can however also refer to a rivet nut) is a type of nut used to fasten a wood, particle or composite materials workpiece, leaving a flush surface. BulletPoint2 : It has a long, thin body and a flange at one end, resembling a T in profile. The flanges of T-nuts often have hooks or serrations on the prongs that sink into a wooden work piece, providing better retention. BulletPoint3 : The prongs of a tee nut act as hooks to hold the nut to the surface leaving a flush face on the nut side, as long as the bolt is the right length. BulletPoint4 : Since the small prongs are what digs into the material, the material is less likely to split or crack. BulletPoint5 : T nuts in this selection come in 3 prong or 4 prong varieties Color : Silver DriveSystem : Thumb ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 722703788343 ExternallyAssignedProductIdentifier2 : 0722703788343 GradeRating : Grade A ItemName : T-Nuts Zinc Plated Steel - 3/8"-16 x 7/16" (4 Prong) - Qty-250 ItemPackageQuantity : 1 ItemTypeKeyword : t-nuts Manufacturer : RAW PRODUCTS CORP Material : Steel MeasurementSystem : Inch MetalType : Alloy Steel NumberOfItems : 250 PartNumber : 722703788343 ProductDescription : T-Nuts Zinc Plated Steel - 3/8"-16 x 7/16" (4 Prong) - Qty-250 ProductSiteLaunchDate : 2016-01-23T21:46:50.240Z Size : 3/8"-16 Style : T-Nut UnspscCode : 31161700