Patriot Docks Heavy-Duty Foot Plate The HD foot plate is mounted to the bottom of the dock pipe support posts. The 10x10 steel, zinc oxide-coated foot plate includes two 12 stainless steel bolts to clamp to 1 12 Sch 40 Pipe. One extra bolt location is provided as a backup.2-116 i.d. Patriot Dock components are modular to make it easy to customize the size and configuration for maximum versatility. We have prepared many dock packages which can be combined to almost any layout. Your dealer can put