The portable black SE Compact Bore Light - GC-BL-1AAA has fiber-optic acrylic, which easily attaches and slides onto the flashlight's lens. This bore light helps to illuminate any scratches or debris within the barrel of your firearm for cleaning and maintenance. It is great for inspecting items and looking in tight spaces. The flashlight is also able be used as a stand-alone light source. With its convenient compact size and clip-on feature, you can keep the SE Compact Bore Light - GC-BL-1AAA easily on your person. It requires 1 AAA battery and provides a helpful bright light when you need it. Battery is not included. Warning: Keep out of reach from children. Not a toy. Contains small pieces that present a choking hazard. SE Intellectual Property Rights Notice: Important: Avoid getting counterfeit items. Genuine SE products come with the SE ️ logo on the packaging. SE is a registered trademark protected by US Trademark Law.