Adlite Penlight White Color 13 cm Length Disposable - 6 Count PackAbout ADC Light Adlite Disposable Pen Light with Pupil Gauge (6 Units) Sealed concentric beam, disposable diagnostic pen light Pen light is activated when pocket clip is depressed Pupil gauge is on side of pen light Pen light is 5 inches long and has a 1 2 inch diameter There are six pen lights in a pack Description: Penlight Adlite White Color 5 Inch Disposable