Red Hound Auto Foot Base Plate for Trailer w/pin A-Frame Jack Zinc Includes Pin New Red Hound Auto Premium Removable Trailer Jack Foot Plate Base is approximately 7-1/2" x 3-3/4", for jacks with 2" (OD) diameter tubing Removable Trailer Jack Foot Plate, attaches easily with spring pin lock Heavy duty 5000 lbs support capacity Zinc plated for rust and weather protection