A double ended paddle that had a fixed black occluder at one end and then an replaceable disc at the other end. Comes complete with Pin Hole, Ref Maddox and frosted lenses. Simply unlock collar and press lens out to replace.
T4711D : Eye Occluder complete with - OCB-01 Black Pin Occluder, IS-03 Fosted Occluder, MRR-03 Maddox Red Occluder