Shoreline Marine SL59520 Trailer Keel Roller 12" x 5/8" Black Rubber. Penn a redesigned boom end

a redesigned boom end

For use with aluminum single barrel and copper barrel sleeves

These rods also feature 42 million-modulus graphite blanks

in the boat

Shoreline Marine SL59520 Trailer Keel Roller 12" x 5/8" Black Rubber. Penn a redesigned boom endShoreline Marine SL59520 Trailer Keel Roller 12" x 5 8" Black Rubber. Set up your boat trailer with this Heavy Duty 12 inch Keel Roller, these black rubber rollers are extremely common installed along the keel of boats as a means of protecting the hull and allowing easy loading and unloading. 5 8 inner Bore. 3. 5" diameter. Made of Heavy Duty Black Rubber. Makes Launching Your Boat a Breeze. Tapered Design for Optimal Hull Support.