SmallRig Rosette Magic Arm 4900 is an 11″ articulated arm with a rosette center joint and two ball heads. One end has a 1/4″-20 screw with extendable pins, the other an ARRI 3/8″ locating screw; payload 3 kg, weight 275 g.
Stainless steel rosette joint with spring allows precise, smooth angle adjustment; a lever with axial bearing locks the arm and ball heads in one motion. Suitable for monitors, LED lights, microphones or tablets; the ends have protective pads against scratching.
Ideal for
Why SmallRig Rosette Magic Arm 11″ 4900 with ARRI locating screw
- Rosette joint – Precise and repeatable angle setting without slipping.
- ARRI locating – Pins prevent rotation on cages with ARRI holes.
- Quick lock – One lever locks the arm and both ball heads.
- Payload 3 kg – Carries larger on-camera monitors.
Key specs
| Type | Magic arm (rosette) |
|---|---|
| Mount | 1/4″-20 with pins + 3/8″-16 ARRI locating |
| Compatibility | universal, devices with ARRI holes |
| Size / length | 11″ (173 × 68 × 25.4 mm folded) |
| Payload | 3 kg |
| Material | aluminium alloy, stainless steel |
| Weight | 275 g |
Construction
| Joint | stainless steel rosette with spring |
|---|---|
| Ball heads | 360°, spiral groove |
| Locking | lever with axial bearing |








