The Quick Products JQ-ELRFP Replacement Removable Foot Pad is designed for use with Quick Products Electric Tongue Jack JQ-3500SMB. The wide 6" base stops your jack from sinking into the ground. There are 6 adjustment holes spaced 1.5" apart to allow for any condition you may run into. The outside leg diameter measures 1-13/16". This Leg may work with other brands of electric tongue jacks. Check pictures for exact dimensions you may need. Pin is not included.