On Stage MY250 Shure Type Microphone Clip This break-resistant, swivel adapter features a soft cradle for models 849, SM48, SM57, SM58, SM87A, SM94, Beta 57A, Beta 87, 515X, 545, 565, 588SDX, and BG1.1, 2.1, 3.1, 4.1 and 5.1. For nearly 20 years, The Music People! Inc. has been on of the nation’s leading suppliers of microphones and pro audio equipment. The Music People! Inc. also owns and manufactures On-Stage Stands® support stands. Founded on a promise of quality, innovation and customer service, The Music People! Inc. is committed to the needs of music professionals throughout the world.