1. It is made up of double ballheads with 1/4" screws and a ballhead clamp.
2. It could attach cage with 1/4"-20 threaded holes, like Cage 1661 or top plate with 1/4"-20 threaded holes, such as Top Plate 1853/1974/2032 on the one end, and it could also attach monitor with 1/4"-20 threaded hole on the other end.
3. The monitor mounted on it could be adjusted in different positions and angles via both the ballhead and ballhead clamp.
4. A single wingnut is applied to lock the double ballhead tight directly, and thumb screws on both ends are utilised to lock the devices manually and a spared hex spanner is ready to lock it tighter.
5. Its max load is 1.5kg.