This gripper is a sleek and simple kit that is great for all kinds of robotic applications. The grippers have a maximum width of 4.20” and contoured design to help hold on to larger objects. By incorporating the Actobotics 0.770” hub pattern into the back plate you can easily attach nearly any Actobotics component to the assembled kit. Designed for use with any standard size Hitec or Futaba servo (servo not included). The kit is easy to assemble and requires only a Phillips Head Screwdriver. Watch our step by step assembly video for detailed instructions.