The K&M 21140 is a professional 2-piece boom arm finished in black with 3/8" thread, offering precise microphone placement and excellent stability. Designed for demanding live and studio use, it features a smooth, silent clutch mechanism for easy length and angle adjustment. Its robust steel construction and counterweight-ready design make it ideal for heavier microphones or overhead setups, particularly in theatre and live sound environments. Compatible with standard mic stands and built for long-term reliability.