Suitable for mini wireless lavalier microphone. The calibre of the windscreen cover is 0.5cm (0.2in). This set is especially designed for K1, for wireless lavalier microphone Suitable for Video Recording: The foam cover is suitable for indoor recording to absorb ambient noise and sounds, providing good recording experience Microphone foam windscreen can be used for voiceover,conference room, news interviews and so on windscreen cover calibre: 0.5cm /0.2in (plesse note Please measure the diameter of your wireless microphone before purchasing) Color: As Shown Material: Sponge Hood Package Contents: 6 * Mic Foam Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.