Ezprogear 15mm Headset & Lapel (Lavalier) Microphone Windscreen Outside Diameter: 15mm (approximately 0.6") Inside Diameter: 5mm (approximately 0.20") Length: 13.5mm (approximately 0.53") Compatible with Headset & Lapel Microphone Capsule Diameter of 5mm ~ 10mm Color: Black, Quantity: 4 pcs