Andoer Multi-function Ball Head Clamp Ball Mount Clamp Magic Arm Super Clamp with 1/4"-20 Thread for GPS Phone LCD/DV Monitor LED Video Light Flash Li

Features:Material: This Andoer super clamp, with magic arm, is made of solid anti-rust stainless steel metal and black andodized aluminum alloy for high durability. Non-slip rubbers on the inner side provide strength and stability.Versatile: 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.Easy to Control: This precise and durable designed magic arm with locking control knob to release or enlarge the tension which can give all position movement, a great chuck to easily and quickly catch the object.Wide Compatibility: 1/4 screws at both ends of the magic arm, can be connected to a monitor, a LED video light, flash light and others with 1/4 screw hole.Widely Adjustment Range: Max. open (approx.): 38mm; Total length: 130mm. Recommend clamp product: 13mm-30mm in diameter.