Shafts are available in 3" and 6" lengths. Screw the shafts directly to your base plate. All shafts come with male/female 1/4-20 threads.
82-6060 - AC Power Transformer; 16.5VAC, 40 VA
16.5VAC, 40VA power transformers for security applications. Features a plug-in ground and auto-resetting overload protection. Mfr. #ELK-TRG1640.
82-8485 - Video Coax Surge Protector
Protects valuable CCTV equipment from high voltage surges such as lightning strikes and voltage spikes.
I've ordered several times from MCM and have always been very satisfied with their products, service and shipping.