PPB projector mount model is the only projector mount that offers ceiling and wall mounting options in one out-of-the-box solution. This versatile, ready to install mount model offers the convenience of installation to the ceiling or the wall and provide drop length options without the need of additional accessories. This mount models provides the first true comprehensive projector mounting solution in a single package. All projectors with M8 mounting screws require ACC-M8RI inserts for compatibility with any Peerless-AV projector mount, please refer to the Recommended Accessories