Selens Wall Mount Triangle Boom Arm 39Point 37 Inches/100 Cm, 180 Flexible, . Save Space: Unlike most similar products on the market, our ring light mount are only 18.5''/47cm when stored, which greatly saves your space. Saving more space, helping to walk through in your studio, making the space feel bigger and clutter free. Dual-Swivel Design: You can swing the ring light wall mount arm swivel up and down or side to side from 0 to 180 for various angle adjustments, or fold it flat against the wall to save space when necessary. Adjustable and Stable: The triangle structure adds stability to the boom arm. So the length can be extended up to 39.37''/100cm to suit your different requirements. The ring light wall mount boom arm can be easily fixed on a solid wall or ceiling. Wide Application: The wall mount ring light boom arm with 1/4'' and 3/8'' adapter screw is compatible with most equipment. It work well with LED video lights, Monolight, Strobe flash, reflector, microphone, camera, and all lighter-weight studio gear. Help in optimizing your studio space (Barbershop/Salon suite/Beauty Salon/Music studio/Photography Studio/Live Streaming, etc) Secure Mounting: This item is made of aluminum alloy with a sleek black finish, sturdy and corrosion-resistant. You can use the 4 expansion screws included in the package to mount it on concrete walls, or use the 8 regular self-tapping screws included to mount on wood walls and drywall, firm and secure.