5/10/20PCS Threaded Rivet Nuts Blind Nuts Set Flat Head Insert Rivet Nuts Cap Carbon Steel Rivnuts Tools Kit M3/M6/M8/M10/M12

5/10/20PCS Threaded Rivet Nuts Blind Nuts Set Flat Head Insert Rivet Nuts Cap Carbon Steel Rivnuts Tools Kit M3/M6/M8/M10/M12

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