The LTP-48B is a 48" T-style lighting crossbar that easily and securely fits on the top of any current Ultimate Support TS tripod speaker stand (extra-tall Ultimate Support TS tripod speaker stands are recommended), and/or an LTV-24B Vertical Extension. Simply place it on top of any one of these and you have a professional lighting tree. The LTB-48B features four pre-drilled holes for convenient mounting of your lighting equipment - we've even included mounting hardware to get you started. It's constructed with thick-walled aluminum so while it's amazingly light, it's rated for use with C-clamps (not included). The LTB-48B also includes two UNF-150 mounting brackets for mounting lighting equipment, such as dimmer packs, to the lighting tree.