4 Pcs Knurled Lock Microphone Stand Nut 5/8″-27 Double Locking Nut for Microphon
【Knurled Thread】The surface of the microphone nut is knurled, which is more non-slip, improves your grip, and is more convenient for installation and removal. Fastener Type: Knurled, Socket Head. Screw Head Style: Flat.