Mounts a Cisco IP phone with 3.25" mounting hole spacing (like model 7942) to the wall slots on Hayworth cubicles. Hooks snap into place, mounting is rock solid on screws and the depth is adjustable. Requires two M4 nuts and two M4 x 20mm metric machine screws, available at your local hardware store. Requires two M4 nuts and two M4 x 20mm metric machine screws, available at your local hardware store. Slip the nuts into angled slots. Thread the screws through the holes and adjust to give just enough depth to firmly hold your phone to the wall. There is a small part in the cradle of the phone that you have to remove and flip over to provide a hook to keep the handset attached.