Solar Tracker Sun Track Dual Axis Kit -Controller + 2X16″ 6000N Linear Actuators
About the 6000N 400mm 16″ Stroke Linear Actuator 2PCS 6000N 400mm (16″) Stroke 12V DC Linear Actuators. 4PCS Silver Mounting Brackets W/ 4PCS Bolts and 4PCS Cotter Pins for the linear actuators.