10 PCS Knurled Microphone Stand Nut 5/827 Double Lock Aluminum Jam Black
10Pcs Knurled Lock Microphone Stand Nut 5/8"-27 Double Lock Nut for Microphone Screws, Aluminum Jam Nuts, Black. Thickness: 4mm/0.16in. - Smooth surface with no burrs and clear threads for easy installation.