20/50/100PCS Threaded Rivet Nuts Blind Nuts Set Flat Head Insert Rivet Nuts Cap Carbon Steel Rivnuts Tools Kit M3/4/5/6/8/10/12

20/50/100PCS Threaded Rivet Nuts Blind Nuts Set Flat Head Insert Rivet Nuts Cap Carbon Steel Rivnuts Tools Kit M3/4/5/6/8/10/12

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