Rubber Oar Stops - Regular Style 1.68 inch – LineKeeperUSA
Quick Collars, Simple Buttons - Small Boats Magazine
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Leather Oar Collars to Protect Wooden Oars: Easy to Install, Durable
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Amazon.com : Oar-Deal The Original, Fits 1 1/2''-1 5/8'' Wood Oars, Rubber Oar Sleeve, Long Lasting, No Slip, Easy to Roll-On, Made in The USA with a 5 Year Warranty : Sports
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Seadog Adjustable Oar Collars Pr 58010-1 | 2023
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Amazon.com : Scotty #101-BK Oar Collars (1 Pair Per Pack) Black, Small : Rowboat Oars : Sports & Outdoors