Hard skin mooring buoys have a seamless and tough, one-piece polyethylene shell. Hard skin shells feature ultraviolet light absorbers for long-term life under the sun. Filled with EPS foam to positively displace water. Tube-through-the-center design. Three-Year Flotation warranty. Textured finish to enhance paint adhesion.
"
The "ET" models have:
Extended tube is 2.5" high off the top of the ball
Extended tube is reinforced with secondary schedule 40 (double thickness) and rolled over for extra strength
Tube is drilled with a 21/64" hole 3/4" down from top to easily secure chain if desired