2 pcs 6 Inch Linear Actuator 12 Volt 225 Pounds 4.6 Amp Draw

Description: Input Voltage: 12VDC Stroke length: 6 inches (150mm)225 Pound Max Lift.Speed: 12mm/Second. Retracted length: 10.13"(257mm) Extended length: 16.13"(409mm) Diameter of Mounting hole: 0.256"(6.5mm) Diameter of Shaft: 0.79"(20mm)Wiring included, pre-installed.Built-in clutch prevents over-extending and over-compressing. Note:Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included)Comes with all items in the picture.