<p><b> Double ball head clamp mount with 1/4" screw on the top </b><br> Multi-Function Double Ball Head with bottom clamp and 1/4" screw .<br> Double ball mount with 360 degree swivel support 360 degree Articulation <br> Single locking knob for fast and safe operation </p> <p><b> Super clamp </b><br>The super clamp jaw opens to max about 2.16" , and minimum 0.55" <br>Can clip 0.55" to 0.76" rod </p> <p><b>Package Dimensions: 6.2" /4.6" / 2.6" </p> <p><b>Packing Weight: 210g </p> <p><b>Package Includes:</b><br>2 x super clamp</b><br>2 x double ball head clamp mount with 1/4" screw on the top</p>