QZSD 41"" Aluminum Tripod Extension arm Retractable Horizontal Center Column arm with 1/4'' and 3/8'' scerws, 360° rotatable for Overhead, Multi-Angle Photography,Load Up to 33lbs,Tripod not Included

PROFESSIONAL: Standard1/4 and 3/8 inch screws, it is compatible with most ball heads, cameras or camcorders. And this extension arm can be mounted to all tripods. The center column can adjust 360 degree horizontal scale rotation and 180 degree vertical multi-angle function during shooting. Two sections of retractable tube, a total length of 104CM/41''. A counterweight hanging ring at the tail can be used to hang a storage bag with a heavy weight for increased stability. TRIPOD BOOM ARMSOLID AND DURABLE: It is made of High density aluminum alloy, 32MM diameter tube. Advantages: strong and stable, anti-corrosion, durable, the stability effect, bearing capacity up to 15KG/33LB pounds. Provide security knob and handle of using rubber twist lock and foam grip, winter use of non-freezing hands. WIDE APPLICATION:The top of the center column is designed with two pcs 1/4'' screw holes, use the margic arm can be installed into one of the screw holes to expand the use of the machine position, can be connected monitors, led lights, mobile phones and other devices. METIOD OF USE:Install the extension arm base on the tripod and lock it tightly, then install your ball head on the fore-end of center column(There are 1/4'' and 3/8'' Transfer screw. ) and tighten it,and then connect the camera or cellphone. Note: The center column does not include the ball head, tripod and camera. Wide Compatibility: Extender Horizontal Center Column is perfect used to video recordings and photographing activities such as selfies, parties,family photos, traveling, hiking, sports, FaceTime, YouTube, Vlog, video conferencing, online meetings, live streaming, recording games, making meals,dancing videos, and other indoors and outdoors activities. we promise 24h customer service one by one.