2 Sets Black 3030 Aluminum Extrusion Pivot Hinge Swivel Degree Angle Bracket …
2 Sets Black 3030 Aluminum Extrusion Pivot Hinge Swivel Degree Angle Bracket with Handle for 30 Series 30/30 3060 V T Slot Extruded Aluminum Profile Hardware Connector. 3030 series aluminum extrusion rail end tapping pitch = M8 x 1.25, at least 9mm depth to make it possible to connect flexible pivot joint connectors.