Frequently Asked Questions

What type of dock can I install a WhamGuard Rotating Bumper on?

Any floating boat dock that has upright roof supports that have 2” OD (outside dimension) square tubing. 2.5” OD square tubing, and 2.375” OD round pipe.

What tools will I need to install a WhamGuard Rotating Bumper?

Measuring tape, hammer, and two ½” wrenches or sockets.

Watch Installation Video

Where can I purchase WhamGuard products?

Ask your marina ship store or marine supply store. Purchase on this site or at the WhamGuard World Headquarters on Grand Lake in Oklahoma. See a list of locations here.

How many WhamGuard Rotating Boat Dock Bumpers do I need?

Depends on how big your boat is and how rough the water is around boat slip. At minimum you need one set at the entry of the slip. Position at the height of the widest part of your boat. Larger boats may require more bumpers, or you may choose to add more bumpers to customize the look of your dock with color.

What colors do them come in?

WhamGuard Rotating Boat Dock Bumpers come in a variety of colors.
Check out our store.

WhamGuard Multi Color2

Why are WhamGuard Rotating Boat Dock Bumpers round?

The spherical (round) shape is designed for maximum strength for the entire bumper length and maximizes strength at the position of impact.

What is the WhamGuard return policy?

We hope you will be completely satisfied with your purchase. But hey, stuff happens & you may want to return your WhamGuard product. You can see our return and refund policy here.

Product Info

Learn More About our Products & How They Work!


Really Work! – Easy to Install! – Look Great!


Watch the installation video to see how easy it is!