B07CJWTDD1 Fotoconic Triangle Wall Mounting Boom Arm Light Stand for Photography Studio Video Strobe Flash Lighting, Max Length 51.2 inches/130cm, 170 Degree Up and Down, 160? Left and Right

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This wall mounting boom arm is perfect for supporting photographic equipment like studio video strobe lights, monolights, softboxes, umbrellas and reflectors
Adjustable length to meet your needs: It can be fixed on a solid wall, and its length is adjustable extending up to 54 inches/137 centimeters
Comes with 4 pieces expansion screws helping mount the boom arm on the wall much solidly; Triangle Design: More stable and reliable
The boom arm can be rotated up to 170 degrees, so you can adjust its angle and height synchronously
Note: This boom arm must be fixed on a solid wall and the monolight in the picture is not included