Monitor Hinge (ARCA Swiss) can attach into ARCA dovetail like the one found on a Wooden Camera RED KOMODO Top mount, which is sold separately. When combined with KOMODO Top Mount, system provides a direct ¼”-20 mount for SmallHD monitors. Included rubber pad can be added for attaching third party monitors. A 15mm mounting spud is included and allows monitor arm to be quick released and attached onto Wooden Camera Top Handle (ARCA Swiss) which is also sold separately. This hinge was specifically designed to align perfectly with the pinholes with any of the SmallHD Smart 5 Monitors.