2-1/8" outside diameter, 4-1/2" length, 5/16" hole diameter, approximately 3.8 oz. buoyancy.
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Feb 16, 2017 | By Eric Holbrook
Work great in the cold Maine winter
Jun 20, 2020 | By John Studer
Shipping was quick. Product is good quality, I would have liked to have larger floats but this was the only size available.