Product Feature: 1.Magic Arm size: 3.0*4.0inch. Material: stainless steel & aluminum alloy. Max load: 10kg/22lb. 2.With a 360 swivel head at the end of the 7 INCH magic arm makes you a comfortable use when you need any angle of the device. 3.Super Clamp is a very versatile and useful tool especially for holding LCD Field Monitor and DSLR Camera. 4.This is a professional 7 inch articulating arm perfect for LED light, LCD monitor or flash light etc on cameras. 5.This precise and durable designed magic arm with locking control knobs to release or enlarge the tension which can give all position movement. Clamp specification: -Material: aluminum alloy -Size: 3.5*2.5inches -Max open size:2.2inches Magic Arm specification: -Material: stainless steel & aluminum alloy -Size: 3.0*4.0 inch -Max load: 10kg/22lbs Package contents: 1 x Magic Arm 1 x large super clamp