Hiwonder Full-Metal Robotic Claw (1 lb grab)
Wave-edge metal claw with a 0–9 in opening and 1 lb grab — strong, no servo included.
Best for: Heavier pick-and-place
Grippers & Claws
LewanSoul BigClaw Mechanical Gripper (with Servo)
by LewanSoul / Hiwonder
★ Best for: Plug-and-play gripping
Ready-to-bolt metal claw with the servo already included — instant end effector.
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Why we recommend it
The fastest way to add a working gripper to your arm: this metal BigClaw ships with its digital servo already fitted, so it bolts to the wrist and grips straight away. The all-metal linkage converts one servo’s rotation into a strong parallel pinch — enough to pick up tools, blocks and small parts. Because it is from the LewanSoul/Hiwonder ecosystem it matches their arm kits, but the standard servo horn mounting makes it work on most DIY builds.
At a glance
| Type | Parallel mechanical claw |
|---|---|
| Servo | Included (digital) |
| Frame | Metal |
| Mount | Standard servo horn |
Guides that use this
Parts & hardware
DIY Robotic Arm Gripper & Claw: Designs That Actually Grip
Build a robotic arm gripper or claw that actually holds: jaw and claw types, single-servo linkages, grip force vs torque, 3D-printing tips and how to mount it.
Start hereHow to Build a Robotic Arm: A Step-by-Step Guide for Beginners
Learn how to build a robotic arm from scratch — the parts, degrees of freedom, wiring and code you need, plus a clear path from your first servo to a working 6-axis arm.
Compare with
G6 Robotic Claw Kit with 20 kg Metal Servo
Metal gripper bundled with a beefy DS3120MG 20 kg·cm servo — for Arduino/Pi builds.
Best for: Maximum grip force