This robotic claw arm is great for all your gripping needs. They are made from metal and are pretty heavy-duty. The claw opens to about 2" and depending on the servo motor used, it can pick up some relatively heavy objects. Because the arms move parallel to each other, you get a better grip.

Specifications:
compatible with: MG995 SG5010
Claws Material: Aluminum
Paw weight: about 68g (excluding servos, without disc)
Paw maximum opening angle: 55mm (maximum opening angle spacing 55mm)
Paw overall length: 108mm (overall length of the longest claws when closed)
Paw Overall width: 98mm (maximum overall width of the paw when open

Package Content:
1 X Robotic Claw