Boston stage pro series clamp collar for microphone stand

A replacement nylon collar for Boston microphone stands (may fit other stands)

Main Part/Handle

A)   Overall length 87mm

B)   Internal dimension 24mm

C)   Internal dimension at thread part 23mm

Insert

D)   Diameter internal (measured at thread area) 23mm

E)   Internal (inner section) 14.5mm

F)   Internal (outer section) 19.7mm