This is a 2 DOF robot gripper that can be installed with 2 servos so as to control gripper opening and closing with one servo and steering gear motion control (or rotation) with the other servo.
Velocity range is 0 to 54 mm (0 to
2.13"). Total weight about 45 g. The servo slot fit most servos such as Hitec 422475
DF05 DF15 servo.