This kit is primarily designed for camera operations that require fast and reliable movement. The Pan/Tilt parts are made of a though plastic, but it can be easily modified (cut and drilled). There are many uses for this product in robotic projects - from surveillance to laser devices. Please note that this is NOT the assembled version and the servo horns have not been cut for proper fit. If assembly assistance is desired, there are many aids on the web while searching for pan/tilt kit assembly getting started . Note: Servo horns (arms) need to be trimmed for proper fit.