MPC LAD-HS6 High Speed Linear Actuator,  12V,  6" Stroke, 65 mm/sec, 45 lb. Load Rating High speed 12-volt linear actuator with 6 inch travel Speed:65 mm/sec; Max Load: 45 lb. Overall Length: 15.75" (Min) to 21.75"(Max); Length Between Mounting Holes: 15" (Min) to 21"(Max) Example Industrial or Commercial Applications: Solar Power, Farming equipment, road maintenance, construction work, military, yachts, ships, Oil platforms, trains, mining equipment, food industry.