The ZHHSUNY Mixed combination Lavalier Microphone Metal Tie Clips, Lapel Mic Windscreen Foam Covers, and Lav Mic Plastic Wire Clips 18 PACK is designed for lavalier microphones with a 6 mm diameter, suitable for most lavalier microphones. The alligator clips are made of premium metal with high elasticity, making them easy to clip on your collar or tie. The foam covers are made of high-density foam to reduce background noise and wind interference, improving recording quality. The wire clips are made of strong and durable plastic material with a 360-degree swiveling wire catch. The package includes 18 pieces of lavalier microphone clips, windscreen foam covers, and wire clips. You can choose different quantities according to your needs. The product is guaranteed with software updates until an unknown date. Made in China.