This is a direct replacement for the Quick Products OEM jack leg with foot. This adds 5.5" of adjustable lift to your electric jack. The wide 5.5" base stops your jack from sinking into the ground. There are 5 adjustment holes spaced 1.5" apart to allow for any condition you may run into. The outside leg diameter measures 1.75". This Leg may work with other brands of electric tongue jacks. Check pictures for exact dimensions you may need. Fits jacks with a 2" leg diameter only. Pin is not included.