Here are the details on the Tether Tools RS611 Rock Solid Side Arm, plus local availability + a comparison vs similar products.
🔧 RS611: Specs & Features
| Feature | Detail |
|---|---|
| Model / SKU | RS611 Rock Solid Side Arm |
| Purpose | An extension/arm that works with the Master Clamp to mount gear (Tether Table Aero, lights, cameras, etc.) off to the side of a stand |
| Length (Usable) | 7″ / ~17.8 cm |
| Max Load / Capacity | 35 lb / ~16 kg |
| Material / Finish | Lightweight aerospace‑grade aluminum; non‑reflective black finish |
| Stud / Adapter Details | Comes with a Rock Solid Dual Baby Stud (5/8″ baby stud) that has on its ends a 1/4‑20 male thread and a 3/8‑16 thread; both round studs fit into 5/8″ (16 mm) Baby receivers. One end is a non‑rotational hex‑head designed to lock into a Master Clamp. |
| Warranty | Lifetime Warranty |
✅ What It’s Good For
If you have a Master Clamp or Master Clamp‑type setup (e.g. on a light stand, tripod, C‑stand etc.), this arm lets you extend gear out sideways. Handy for tether tables, monitors, small lights etc.
Good load capacity (35 lb) means you can mount relatively heavy gear, as long as the clamp / stand is solid and leverage isn’t extreme.
The baby stud adapters + multiple thread options make it versatile: you can mount different accessories or have other arms or gear attach.
Since it’s compact/short (7″), you get good strength; won’t be wildly floppy if used reasonably.
⚠️ Limitations & What to Watch Out For
Leverage / Torque: When you stick something heavy far out (long arms / extension), even though 35 lb is nominal, torque will reduce real stability. Always mind how far your load is out.
Clamp strength matters: The RS611 must lock into a good, strong Master Clamp (or equivalent). If the clamp is weak, or surface is slippery/rounded, the whole setup will be weaker.
Weight distribution: The load should be balanced; avoid very offset or sideways pulls that may twist or stress the clamp or arm.
Space constraints: Side arms stick out; if you’re in tight spaces or have many arms/clamps, watch for interference.