Grace Design SB-30 SpaceBar 30cm Stereo Mic Mount KitIncludes 30cm bar, clamp, (2) sb mhs standard mic holders and (1) tall mic holder. The Spacebar microphone positioner allows for precise and repeatable setting of microphone capsule spacing, angle of incidence, and rotation around the x axis. With precision scales for angle and distance engraved on the Spacebar components, it becomes easy to make perfectly measured and repeatable stereo microphone setups. As well as being able to precisely set