Knuckle assemblies are available with knob adjustment. Knuckles came with 1/4-20 male/female threads and lock ring.
I use a mount knuckle on my monopod. It's smaller and lighter (much cheaper) than a comparable camera mount. It adds some flexibility when I don't want to carry a tripod.
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.
Easy to find products and order. Items shipped and arrived without hassle.