Jack Quick 3500 power jack has a 3650 pounds rating and deluxe features like an integrated 7-way plug that allows you to use your tow vehicle as the primary power source, LED working light for easy night hook-ups, a built-in level, and an easily accessible top-crank manual override. Black 2.25 Inches diameter outpost fits all 2.25 Inches A-frames with 18 inches of travel to attach easily to equalizing bars. Water resistant electrical components and heavy-duty hardened steel gears in black plastic housing. Includes Jack Quick, manual override crank, oversized zinc-plated footplate, and protective vinyl cover. (Mounting hardware not included). Please note: Jack is powered by the running light circuit of the tow vehicle, so the tow vehicle's lights must be ON to supply power to the jack.