"Rugged ID-ACME linear actuator can be used in a variety of outdoor and indoor applications. The 12V motor has a 201 reduction gearbox that gives ACME actuator a dynamic load rating of 500 lbs. and is rated to hold up to 1000 lbs. when not moving. Use to raise and lower power equipment attachments, auto hoods and trunks, position solar panels, television lifts and many other applications around the home and farm. Application Actuator, Frame Material Aluminum, stainless steel, Gear Ratio 201, Dynamic Load Capacity lbs. 500, Stroke Length in. 6, Length Retracted in. 12 1/4, Overall Dimensions L x W x H in. 13 3/4 x 3 x 6, Power Volts 12, Static Load Capacity lbs. 1,000. 6in. nominal/6.02in. actual stroke 12V motor 201 reduction gearbox 500-lb. dynamic load rating 1000-lb. static load rating Extension speed is 0.56in./sec. at max. load Extension speed is 0.71in./sec at no load 25 duty cycle 15 Amps at full load 4 Amps at no load IP65 enclosure ACME drive assures smooth and quiet operation Built-in torque limiter prevents overdriving All metal powder-coated housing is water-resistant and sealed against dust 1/2in. mounting pin holes 12.24in. retracted length 0.787in. shaft diameter"