McKesson Penlights McKesson Penlights offer a versatile diagnostic tool, ideal for a variety of medical examinations. Designed to be bright, portable, and convenient, these penlights are available in both reusable and disposable options, catering to different usage needs. Features General Features All McKesson Penlights are designed with the medical professional in mind, ensuring high performance and durability. They are also manufactured without natural rubber latex to accommodate users with latex allergies. Cobalt Blue Penlight The Cobalt Blue Penlight is 7 inches long and reusable. It is perfect for use with fluorescein dye during examinations, providing a reliable and bright light source. White Light with Cobalt Filters Penlight This variant features a focused white light with cobalt filters, available as a disposable option. At 4-1/2 inches, it is compact and easy to handle, making it suitable for single-use diagnostic needs.