EZ Loader Boat Trailer Adjustable Keel Bunk for Skiffs, Jon Boats, and Flat Bottom Boats. 300-017267-10-BK Springs The cover is made from

The cover is made from steel and has been hot dipped galvanized to give it corrosion resistance

This bracket allows for different adjustments with the winch mount

The factory bearings are sourced from China

Mounts to springs with: 9/16" x 3-1/2" bolt

EZ Loader Boat Trailer Adjustable Keel Bunk for Skiffs, Jon Boats, and Flat Bottom Boats. 300-017267-10-BK Springs The cover is made fromEZ Loader boat trailer adjustable keel bunk for skiffs, jon boats, and flat bottom boats. The carpeted bunk supports and protects the bottom of the boat, keeping it from bouncing while in tow. The bracket is very adjustable for a custom fit. Made by EZ Loader in the USA. Made from heavy duty galvanized steel for durability and support.