Pinit EMI Ultra Light Pupil Gauge, Black SKU EMI-215 (0) No Reviews yet $6.99 Quantity -+ Add to Cart DescriptionReviews Details EMI Ultra Light Pupil Gauge, Black DetailsBackDetailsEMI Ultra Light Pupil Gauge, BlackThe penlight is activated by depressing its tail-cap switch. It has a pocket clip, comes with 2 AAA batteries, and measures 5" x ½". SpecificationsRatings & ReviewsNo reviews availableBe the first to Write a Review VideosSize ChartTraining Materials