These lightweight alconite rings are ideal for beach and spining rods and are standard fitment on some of the best beach rods. The three legged ring has a superhard liner for improved wear and reduced friction leading to improved casting potential. The ring size refers to the outside diameter of the eye Which ring size do i need ?There are no hard and fast rules on which size rings to fit on to a rod but ideally you want to creat a "cone like" profile to smooth the line flow as it passes through the eyes.