The metal is strong and the rotations are good. I've bought these servos with the arm: https://www.banggood.com/MG995-High-Torgue-Mental-Gear-Analog-Servo-p-73885.html?rmmds=myorder After some testing I would recommend servos with just a bit of a higher torque. The arm is from metal and pretty heavy to rotate.

The metal is strong and the rotations are good. I've bought these servos with the arm: https://www.banggood.com/MG995-High-Torgue-Mental-Gear-Analog-Servo-p-73885.html?rmmds=myorder After some testing I would recommend servos with just a bit of a higher torque. The arm is from metal and pretty heavy to rotate.

The metal is strong and the rotations are good. I've bought these servos with the arm: https://www.banggood.com/MG995-High-Torgue-Mental-Gear-Analog-Servo-p-73885.html?rmmds=myorder After some testing I would recommend servos with just a bit of a higher torque. The arm is from metal and pretty heavy to rotate.

The Claw is made from plastic the rest is ok

The Claw is made from plastic the rest is ok

The Claw is made from plastic the rest is ok