Parts List External Pipe Holder Side Mount Attachment Kit Z Bracket Kit includes: Two HDG “Z” Brackets Four U Bolts with Nuts & Washers 2 External Pipe Holder 2 Structure Plugs 2 UHMW Blocks NOTE !! Kit DOES NOT INCLUDE 4″ PVC PIPE. 4″ PVC Pipe may be purchased at your local hardware store. External Pipe Holder Side Mount Attachment Kit Bracket Kit needs to installed above flood level 4″ PVC Pipe needs to be AT LEAST 18″ Below The Watercraft Float.