Rivet Nut Tool Kit Number of Pieces 54 Number of Rivet Nuts 52 Tool Types Included Rivet Nut Installation Tool Thread Size #10-24 #10-32 #8-32 1/4 In.-20 Rivet Nut Material Aluminum Steel Finish Plain Compatible Material Metal System of Measurement Inch Includes (52) Inserts Molded Plastic Case Nut Mandrel Setting Tool Rivet Nut Types Included Rivet Nut