K&M TELESCOPIC STAND WITH BOOM ARM. BLACK The K&M Stand has become the standard by which all others are judged. Easily the most popular stand ever produced, and for the very good reason that it is sturdy, reliable, and engineered to stand up to being regularly transported around. Also available in Nickel (408021). Telescopic stand height adjustable between 90cm and 160cm. Boom arm 70cm long and travels 50cm. Uses 3/8in threads. Made in Germany. NOTE: Boomless versions 408850 Black and 408031 Nickel are also available. They have shorter legs so they may not be suitable for adding a boom arm later. Black Stand with Boom.