HYCKee Articulating Friction Magic Arm 11 Inch & Large Adjustable Super Rod Clamp Pliers Clip Specifications: 11 inch Magic Arm: Supplies 1/4'' screw adapters to fit camera, lamp holder and other accessories. Articulating design, with one knob locks all position Length (Max): approx. 300 mm Max. Load: up to 2kg Weight: approx. 250 g Super Clamp: Minimum opening diameter: 0.39inch/1cm Maximum opening diameter: 50 mm Thread: 1/4" and 3/8" Weight: 128 g The adjustable magic arm with locking control knobs to release or enlarge the tension which can give all position movement as you want. The ultra durable material ensure the super steady and firm position of your device stand on it. With a 360 swivel head at the end of the 11 INCH magic arm makes you a comfortable use when you need any angle of the device. Ergonomic design with one knob locks all position, single Lock to all moving parts. The super clamp plus extender with 1/4" and 3/8" thread attachments can be used with backhoes holder to install video light, monitors mall flash, LED light & other accessories with 1/4" female / male screw sockets. Help lighting engineers or photographers fix their accessories more easily. Be able to fix onto any shaped body, such as water pipes, handrails, doors, shelves, tables, branches, wires, etc. Come with screws of 1/4 and 3/8. Package Content: 1 x 11 inch Articulating Magic Arm 1 x Super Clamp Note: Other accessories are not included.