Aero Hand Open
$ 720

Lightweight, five‑finger tendon‑driven robotic hand with 7 active DOF for embodied‑AI research—open‑source, USB‑ready, and built for real‑world manipulation.
Available on backorder
Specifications and details:
| Weight | 0.4 kg |
|---|---|
| Dimensions | 50 × 50 × 50 cm |
| Strength [kg] | ~2.5 kg per finger; ~30 kg lift, Fingertip force ≈ 10 N (about 1.0 kgf equivalent) |
| Number of fingers | 5 |
| Degrees of freedom, hands | 16 |
| Motor tech | 7 coreless serial‑bus servos; cable/tendon‑driven; back‑drivable. |
| Main structural material | Nylon |
| Manufacturer | TetherIA |
| Nationality | US |
| Website | https://tetheria.ai/ |
Description
TetherIA’s Aero Hand Open is a five‑finger, tendon‑driven humanoid hand built for embodied‑AI research. It delivers 7 active DOF across 16 joints in a compact, lightweight package (< 400 g, 198 × 95 × 53.5 mm), giving you human‑like reach and dexterity without the weight penalty. A cable (tendon) transmission and back‑drivable serial‑bus micro‑servos provide smooth, compliant motion that’s forgiving in real‑world tasks—ideal for grasping varied objects and teleoperation experiments.
2026 Humanoid Robot Market Report
Interested in the Aero Hand Open? Download 160 pages of exclusive insight from global robotics experts – uncover funding trends, technology challenges, leading manufacturers, supply chain shifts, and surveys and forecasts on future humanoid applications.

Featuring insights from
Rob Knight
Open source,
humanoid expert

2026 Humanoid Robot Market Report
160 pages of exclusive insight from global robotics experts – uncover funding trends, technology challenges, leading manufacturers, supply chain shifts, and surveys and forecasts on future humanoid applications.
Engineered to be practical and reproducible, the hand ships with open‑source CAD and electronics, documentation, and a Python SDK (noted as “coming soon”), plus a straightforward USB 2.0 interface running on an ESP32‑S3 controller. The fully 3D‑printed nylon structure keeps costs and iteration time low while maintaining robustness. Designed expressly for manipulation, reinforcement learning, and sim‑to‑real studies, Aero Hand Open is an accessible platform for labs, startups, and hobbyists moving from policy to physical skill.
Download the Humanoid Robot Market Report here





