Keep your optics looking brand-new with a convenient, pocket-sized brush. The Leupold Scopesmith Lens Pen Cleaner has all the technical chops to make this an item you'll keep stashed in your hunting or shooting pack at all times. Utilizing natural hair bristles on a retractable end, keep the hairs in perfect shape by retracting the end when not in use. Self-replenishing, the microfiber cleaning top keeps itself clean thanks to the automatic replenishing cleaning compound.