Buy from Amazon : http://www.amazon.com/gp/product/B004QQ0JI2?tag=scratchandsti-20 <br /> <br />Nocturnal Lights Ball Joint Adapter for Underwater Ball Joint Arm Strobe and Lighting Systems <br /> <br />attaches to Nocturnal Lights SLX light handle <br />allows you to connect light to 1 ball joint systems
