The Railblaza Adapter Kit allows you to attach it to any item you want to make the item compatible with all Railblaza mounting bases. The washers provided give your accessory the ability to swivel 360 degrees so that you can adjust your gear on the fly! The Railblaza Adapter Kit is sold in pairs and comes complete with stainless steel mounting hardware.
I used this to modify a Mono-pole Camera Boom to attach to a Starport and a camera mount. Worked great and was easy to install.