Cataract Oars Counter Balance Sleeves, Set of 2

Cataract Oars Counter Balance Sleeves, Set of 2: Sleeve uses four pounds of hardened steel with a slick, painted finish Sleeve secures to the oar using three 1/4"-20 x 1/2"-length nylon, pan-head screw adjustments on the outside Ideal for oars longer than nine feet, but you can use these on any shaft you like You can custom adjust these weights for multiple rowers, personal preferences, or for different rowing conditions