DIY Single Axis Solar Tracking Tracker-14″ Linear Actuator Anemometer System SJ

★ 1x 350mm 14″ Stroke DC 12V 5.7mm/s Speed Linear Actuator. ★ 2x Silver Mounting Brackets W/ 2PCS bolt and 2PCS cotter pin for the linear actuator. About the East-West Linear Actuator For the Linear Actuator, we have 200mm/ 250mm/300mm/350mm/400mm/450mm Stroke for Option.