The Peerless-AV® Modular Mount Line includes a small and easily manageable number of sku''s,yet provides a full range of options that can fulfill a vast majority of end-user requirements.Universal components make it quick and easy to design and configure the perfect custom projector mounting solution, ideal for any application.Designed around a 2" (50 mm) diameter extension pole, the line is ideal for new projects as wellas upgrading existing installations.The MOD-PRGSKIT100/150/300 Ceiling Mount Kits include all of the components required to mount a projector from the ceiling. As part of the Peerless-AV Modular Series, it can be expanded with additional Modular accessories (sold separately) to accommodate virtuallyany custom configuration.