This 11 Magic Arm with 1/4-20 Ball Head & Wall Mount from CAMVATE comes with a 1/4-20 thumbscrew on one end to attach accessories like monitors,
CAMVATE Removable 5.8 Articulating Magic Arm Dual Ball Head Bracket with 1/4-20 Screw Mount For Monitor Video Light Support - AliExpress
CAMVATE 7 Articulating Magic Arm V1
This CAMVATE 11 Articulating Magic Arm is a quality-graded new version, it boasts heavy-duty robust construction, a much more forceful, firmer locking mechanism and stainless steel made ball head. It provides a much more solid support for your accessories and a maximum mounting flexibility as well. Its unique design features a single-point locking mechanism, which gives the user maximum flexibility.
CAMVATE 11 Articulating Magic Arm with 1/4 Thread Screw Mount & Light Stand Head Adapter, Red Knob
CAMVATE Magic Arm with 1/4-20 Ball Head & Wall Mount (7) C1181 - Yahoo Shopping
11 Articulating Magic Friction Arm with Solid Metal Nano Clamp Grip
Material: Aluminum Alloy / Stainless Steel/ Free-cutting Steel. 7 inch in size. It comes with a 1/4 thread screw on one end to attach accessories like monitors, QR rod clamp, NATO Rails and so on. Mounted with 1/4 screw is a rubber cushion which could prevent the scratches of monitor and help to lock the monitor tighter. It features a hand tight wingnut for tool-less fastening that could help to secure the accessories to any angles based on your needs.
CAMVATE 7 Magic Arm Wall Ceiling Mount
CAMVATE Magic Arm with 1/4-20 Ball Head & Wall Mount 11 Length 11, 7 lb, 3 C2876
1/4-20 & Shoe Mounts Articulated Arm with 360°Rotation Perfect for LED on camera, Monitor, Mic
CAMVATE 11 inch Adjustable Articulating Friction Magic Arm Compatible with LCD Monitor, DSLR Camera Rig, LED Lights, Flash Light - 1477
SUPER CLAMP 1 Ball Head Adapter Double Socket Magic Arm Bicycle Handlebar Clip $23.08 - PicClick AU
lighting cage with CAMVATE clamps and arms