HIGH QUALITY ALUMINUM ALLOY - The umbrella holder is made of aluminum alloy, durable and solid. 1/4" AND 3/8" METAL HOTSHOE SOCKET- 1/4" socket and 3/8" metal hot shoe on the bottom, for attaching to other photography accessories. 180 DEGREE - Light holder into a reflective umbrella or soft light umbrella socket, and can adjust the degrees of back office flash, 180 degrees of the makes better use of flash lighting and lighting. CAMERA UMBRELLA HOLDER- There is a hole in this item so that you can insert a lighting umbrella and align it with the flash. CAMERA FLASH MOUNT- It can be applied to various flash, such as Canon, Nikon, Pentax, Olympus, Yongnuo and many other speedlites (Note: this adapter does not fit Sony and Minolta flash) you can mount a hot shoe flash receiver sensor, you can also adjust the umbrella and flash in different angle suitable for all Hot-Shoe flash, trigger transmitter or slave.