Cobra Oarlock (Mini (3" L X 1/2" diam.), Split Ring) Extra wide horns - spread out the load bearing area and reduce stress on the oar and lock. Elongated Oval Opening  smaller radius at the bottom than the top of the opening and adds 10 to 15 of vertical range of motion. The oar maintains contact with the sidewalls of the lock for a secure fit, while allowing free rotation for sculling and in-water recovery strokes. Tough Hammered Finish  helps limit the oars tendency to slip to the stop and eases the ability to perform more advanced rowing techniques with less fatigue. Versatility  Can be fine tuned to fit almost any oar size and stop style. Mini w/Split Ring (Shank: 3"L x 1/2" diam) - SOLD INDIVIDUALLY