Same function as plastic stoppers except they're rubber. Slide on to oar shaft using soap and water, the fit is tight. Fits both Carlisle and Cataract oar shafts. Also can be use with the plastic sleeve with some difficulty getting it on.

Dimensions: 1" thick Inner diameter: 1 5/8"
Outer diameter: 2 1/8"

NOTE: This product is sold each.
1 unit = 1 Oar Stop