Professional Metal Robot Arm Claw Mechanical Gripper with High Torque Servo, Hand Fingers Paw RC Robotic Part Manipulator Clamp for Arduino, Raspberry pi, Microbit, AI ROS Science STEAM DIY Education

Works great. Assembly instructions weren’t great, but it’s well made and works as advertised

I know it's stem but we couldn't figure it out. Instructions are black and white pictures so blurred you cant even see. Ill sell some international accounting instructions that look like this and see if the mechanical engineer can figure it out.

This thing grips. Building it was kinda sucky. The instructions were terrible. I had to use the pictures on here to do it. I added a square battery and a 4 channel receiver and I use it as a drone retrieval claw. It grips excellent. I had to locktite, blue loctite ,all the nuts. They get loose after about five actuations. But now it is great.

This works BUT the the instructions seemed to be a copy of a copy of a copy of a copy… they were so faded and small you had to guess! So the screws kept coming loose on me and the cogs slipping out of place :/ but I think I got it stable now.. for now lol

Wasn't sure what I was getting into when I ordered this, and the instructions proved to be a bit of an adventure, but for the price you're getting a well built aluminum gripper with included metal geared servo. As far as I can tell you'd be hard pressed to find this functionality anywhere else at this price point. If you buy this, do yourself a favor and do follow the included link to the *online* instructions. The included black and white one page instructions were entirely inadequate, but with a little persistence and using your browser to translate the webpage from Chinese to your chosen language, you can follow along the much more detailed online instructions and figure it out. You are looking for the "Metal Claw G8" instructions. It was a bit of a challenge, but I'm no beginner and I figured it out, and now I have a sturdy robot gripper with decent torque for an affordable price. If I can do it, so can you. Good luck!