1. The internal edge of the claw adopts wave design, which makes the clamping more stable.; 2. Symmetric gripping, easy to judge the object position; 3. Equipped with strong-torque and burn-resistant servo, claw can grab item weighing up to 500g; 4. Multiple M2 and M3 holes in the end of claw to support DIY extension; 5. Limited posts can prevent hands from pinching