This is a kit including the Astera AX1 Pixel Tube charging case, 8 Pixel Tubes and now difficult to find ART7-CRMX Astera Box Transmitter. The charging case comes with 16 brass studs. The studs have 1/4″ male threads on one end and 3/8″ threads on the other. Each pixel tube comes with 2 aluminum holders (clamps), 2 cotter pins (for securing holders), 2 eyebolts, 1 x-stand & 1 wall charger. The ART7 comes in it’s own case and includes a charger and USB cable.