Internal Pile Guide Size:10 3/4" The unique HDPE collars on

The unique HDPE collars on the top and bottom of the guide sharply limit the roll of a floating dock that might be caused by waves or a boat wake

and 18” with custom sizes for unique dock setups

5-inch internal diameter

It is designed to be used with externally placed round piles on a floating dock as shown

Internal Pile Guide Size:10 3/4" The unique HDPE collars onSPMP Part No. SPMPIPG Installation Instructions Sea Powers Internal Pile Guide is made from high density polyethylene (HDPE). It is designed to be integrated internally within the deck of a floating dock, and encircles the piles holding the dock in position. The pile guide is available in a variety of sizes to accommodate any size of round pile, and is suitable for use with any type of pile material, including treated wood, fiberglass, and composite.