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.
82-11375 - Black Versatile Camera Mounting Bracket
Economical, multi-purpose camera mounting bracket for most CCTV applications. Coated metal construction. Four-piece bracket facilitates both wall and ceiling mounting in straight, or L-shape configuration. Maximum load 6 lbs.
20-4410 - Economy Duster 10 Oz.
Economical HFC152a based duster. Note: not for use on powered electrical equipment, on hot surfaces, and around open flames or sparks.
21-10858 - 3 3/4" Reusable Knot Cable Ties - 100 per Pack
Knot cable ties are strong and reusable. Made from nylon 66 material for higher heat resistance.
Overall, my MCM experience was great! They delivered fast and as promised. Great product, great price!