K & M Mic stand with boom arm Review PositiveBoulder Microphones Stands July 6, 2018October 5, 2018Accessories, K M, Microphones & Accessories, Musical Instruments 0 Comment K&M’s proprietary Swiss steel tubing Has a fixed length boom arm and zinc die-cast base with long folding legs for stability. Square swivel joint with large wing nut boom fastener. Mic stand with boom arm