This is Shoulder Mount Connector; it connects the DSLR/RIG Shoulder Mount Rig with Follow Focus to achieve the video production smooth and precise focus. Coming with the tools-hex wrench for fixing on the shoulder mount rig. It is easy to install and use， offering you a fast and accurate way to focus the object. With fine craftsmanship and first-class material， it is reliable for long-term use. A useful tool makes good work! With it you will achieve optimal shooting effect. Don&acute;t hesitate to bring it home now.                                    Features                Complete gear - driven design for slip - free and accurate movement<br>    Adjustable locking system<br>    Quick and easy installation<br>    It offers you a fast and accurate way to focus the object<br>    It makes your shooting perfect and efficient<br>                                                            Specifications            Material    Metal    <br>Tube Length    7.2 " / 18.3 cm    <br>Weight    174 g / 6.14 oz    <br>Color    Black， Blue    <br>                                                            Package Includes                1 x Shoulder Mount Connector<br>    1 x Hex Wrench<br>