Description:Size:3/8''-16UNCMaterial:304 Stainless SteelFeature:Good Firmness,Nice PerformanceA tubular rivet with internal threads,a dependable fastener to hold the object tightly.Place the rivet nut into the hole you cut and then tighten down the nut and hold the bolt in place.Application: Great for automotive Package Content:10 x Rivet Nut .