Godox Ad15 Flash Lamp Tube Bulb Metal Protector Cover for Godox Witstro AD200 Pocket Flash Godox AD180 AD360 AD360II Flash Speedlite Material: Aluminium alloy Length: 8mm; Diameter: 3.8mm Fits for Godox WITSTRO Flash AD180/AD360 Convenient for light carrying and transportation Easy to install on the flash light and protect it from direct and accidental collision