Pmvvckit5 part of the universal vc shelf system secondary shelf mountf pmvvckit5 consists of a additional shelf and required hardware to mount a second shelf below another shelf all below the screen in conjunction with other parts shelf amp shelf hanger sold seperately the system can work fixed to the wall but also with a range of articulating wall mounts total weight of equipment dependent the system is designed to work with screens between 37 65 but some 32 screens may