STURDY AND HEAVY DUTY This super clamp is made of solid anti-rust stainless steel + black anodized aluminum alloy for high durability. Non-slip rubbers on the inner side provide strength and stability. VERSATILE SUPER CLAMP The magic arm clamp has a female 1/4-20 and a 3/8-16, both the standard fitting sizes in the photo industry for heads and tripods can be used for a variety of attachments. like cameras,15mm rods,led lights, umbrellas, hooks, shelves, plate glass, cross bars,etc. EASY TO CONTROUL This precise and durable designed magic arm with locking control knobs to release or enlarge the tension which can give all position movement,A great chuck to easily and quickly catch the object. WIDELY ADJUSTMENT RANGE Max open(approx.):2.17inches( 55mm); Total Length: 3.54"(90mm).Recommend clamp product 0.59"-1.73"( 15mm-44mm) in diameter. Package Includes: 2 x Super Clamp Color: camera clamp-2 packs FOTYRIG Super Clamp Magic Arm w/ 1/4"-20 and 3/8"-16 Thread for Cameras, Lights,
