TARION H-Shape 2-Part Swivel Tilt Metal Umbrella Softbox Holder Flash Bracket Adapter 180&deg; Adjustable for 1/4" 3/8" Lamp Light Stand Mount Tripod It fits for holding the softbox or umbrella on the light stand and allows for flashing from horizontal / vertical or at the middle and low position. 180 adjustment supports any angle of flashing. The flash can be fixed by the screw on the top of the adapter, provide safety. The detachable 1/4"-3/8" double-end nut at the bottom allows for installing your flash on the light stand or tripod freely. Dimension: approx.11.5x2.7cm/4.5x1.1". Diameter of umbrella hole: approx. 1.5cm/0.6". Suitable for 1/4" or 3/8" light stand, tripod, softbox, umbrella or flash, etc.