This is a professional 7 Inch articulating magic arm and powerful super clamp provide great versatility for the positioning of access. DURABLE 7 Inch MAGIC ARM- 7 inch magic arm is more stable and easy adjustment than 11 inch magic arm.Double 360 degree Ball Head Articulating design with One Knob to easily lock the magic arm in position,single Lock to all moving parts,Shake-Free stability. Variable friction control for accurate adjustment to all position movements. WIDE COMPATIBILITY - with 1/4 inch thread on one end of the magic arm to install super clamp, any on-camera flash lights, microphone,LCD monitor,DV Monitor, microphone,DJI Osmo,smart phone etc,. with standard Hot Shoe Mount on the other end to clip on dslr camera or any supporting device which comes with a hot shoe bracket. POWERFUL SUPER CLAMP- Comes with standard 1/4 inchand 3/8 inch thread for various configuration. Can be mounted virtually anywhere, can fix onto any shaped body like cameras, lights, umbrellas, hooks, shelves, plate glass, cross bars,etc. perfect for clamping items 0.6 inch-1.73 inch in diameter. SOLID CONSTRUCTION-Made of lightweight metal. Colour: Black Magic ARM: 360 degree swivel ball head at both end makes you a comfortable use when you need any angle of the device.Ball joints pivot smoothly for easy position. With one locking control knob to release or enlarge the tension and provide all position movement. standard 1/4 inch-20 screw on the end for variety of devices like LCD Monitor, DV Monitor, LED Lights Flash Lights, Microphones, DJI Osmo,Smart Phone,etc,. Standard hot shoe adapter on the other end for dslr camera, rolling slider dolly car, or any devices with a standard hot shoe). 7 inch is the Best. Magic arm best load is about 1.5kg/3.3lbs, while 11 inch magic arm can be too long to provide shake-free stability andsupports 1.5kg/3.3lb devices while shooting. Super Clamp: Can be connected to any small size shaped body like 15mm rods,cameras, lights, umbrellas, hooks, shelve