Product Specification T-nut are suitable for mechanical manufacturing, equipment maintenance, construction engineering and home decoration and other fields, widely used in bolt, screw connection. Thread Size: 5/16"-18 Barrel Length: 6/16" Prongs: 4 Prongs Finish: Stainless Steel Material: 304 Stainless Steel Package Included 25 x T-Nuts 5/16"-18 Warranty Etauwe expertise lies in delivering fasteners crafted with meticulous precision, ensuring top-notch quality and reliability in every product. Please contact us if you have any questions.