LCD Dual Axis Solar Tracking Tracker Kit W/ 18″ Linear Actuator W/ Anemometer DO
Linear Actuator. 2PCS 450mm/18″ Stroke DC 12V Linear Actuators. (one for North/South direction and one for East/West direction). 4PCS Silver Mounting Brackets W/ 4PCS Bolts and 4PCS Cotter Pins for the linear actuators.