Brand New Seachoice 52041, Electric Jack with Caster and 7-way Connector, 1,500 lb Attaches to the trailer tongue of a boat, powersport or equipment trailer; Bolt-on swivel mounting allows the user to move, level and hitch the trailer with ease,. Swivels to a horizontal position during transportation 7-Way connector is perfect for trailers with no on- board battery. No wiring needed, plug and go! ; Durable plastic holder mounts to the trailer tongue to hold your 7-way connector firmly in place ; LED light for easy night time hookups; Includes 6" solid swivel caster for easy maneuverability; the caster can be interchanged with footplate as well (footplate not included); 10" Travel height, lift range from 15"- 25" (measured from ground to center of mounting point)