The creature from which these ocular sensors belong is not to be crossed.
A pair of bright pewter ear studs in the shape of an eye, and set with red and black pupil'd 'creature's' iris, of glass.; with surgical steel ear-posts.
Weight & Dimensions (approx.):H: 13mm (0.51") W: 18mm (0.71") D: 15mm (0.59") Weight: 6g (0.21oz)