Real Eyes are machined hourglass brass eyes with the added feature of recessed pockets. The pockets accept either the 3D or prismatic tape eyes or can be custom painted. Extra small takes 1.5 tape eyes, Small takes 2.0 3D or tape eyes, Medium takes 3.0 3D eyes or 2.5 tape eyes and Large takes 3.5 3D eyes and 3.5 tape eyes.
5/32= x-small, 3/16= small, 7/32= medium, 1/4= large