Top Quality Steel Rivet Nut Rivnut Insert Nutsert - Open end 3/8-16 UNC Large Flange Material: Steel Finish: Yellow Zinc Body Diameter: 0.512" Total Length: 0.85" Application hole size: 0.516" Grip Range 0.04” - 0.16” Package: 10 pcs in a bag * PICTURE FOR REFERENCE ONLY.