Industrial 30020 Boom Stand With 5/8 Inch Mounting Socket And 20.5 Inch Arm

Industrial 30020 Boom Stand with a 5/8 inch mounting socket and a 20.5 inch arm. The stand specifies a 5/8 inch mounting socket and a 20.5 inch arm length. Diagtic Instruments 30020 Boom Stand is the model described by these specs.