Carbon Steel Stainless Steel Rivet Nuts Threaded Insert Nutsert 5 Sizes 8-32 10-24 1/4-20 5/16-18 3/8-16 Rivnuts Kit Assortment

100 pieces of Rivet Nuts Threaded Insert Nutsert (Carbon Steel Material and Stainless Steel Material : 10-24 rivet nuts8-32 rivet nuts 1/4-20 rivet nuts5/16-18 rivet nuts3/8-16 rivet nuts ? 25pcs 1/4-20 (10pcs stainless steel+15pcs carbon steel). ? 30pcs 10-24 (10pcs stainless steel+20pcs carbon steel). ? 26pcs 8-32 (10pcs stainless steel+16pcs carbon steel). ? 11pcs 5/16-18 (5pcs stainless steel+6pcs carbon steel). ? 8pcs 3/8-16 (3pcs stainless steel+5pcs carbon steel). 5 Size and 2 defferent materials, Carbon Steel rivet nuts+ Stainless Steel rivet nuts. Rivet nuts can be installed in many different material types including steel, plastic and fiberglass