The mc-1030 from studioking is a separate column clamp with adapter for the fpt-3604 light stand. you simply place the column clamp at a height of your choice on the light stand, in order to hang a lamp, microphone or other accessory at the desired height. for this purpose, the column clamp has a unique clamping principle, so the position can be adjusted with millimeter precision. Application mc-1030 The column clamp has a width of 32 cm. at the end there is an adapter. this can be used in two ways, with spigot or 1/4" thread. this makes it possible to place almost any led lamp or other product with spigot or threaded connection on the mc-1030. when you want to adjust the height of the column clamp, squeeze the special lever. when you release the lever, the column clamp immediately clamps itself firmly back onto the fpt-3604. you will find the lamp stand among the optional accessories.