NITECORE TUBE BL 4 Lumen Blue LED USB Rechargeable LED Keychain Light USA Lens: Optical-grade glass lens with

Lens: Optical-grade glass lens with anti-reflective coating on both sides

This version of the popular Endura4 has a non-reflective VG-10 blade that is coated with black titanium carbonitride and is flat saber-ground

Internal side compression

Low: 1 lumen / 100 hr

NITECORE TUBE BL 4 Lumen Blue LED USB Rechargeable LED Keychain Light USA Lens: Optical-grade glass lens withNitecore TUBE BL The Nitecore Tube BL is a lightweight, compact, key chain light that packs a bright blue beam, which is great for hunting and industrial inspection, helping to track blood, and making oil and other mechanical fluids stand out. Blue light can also aid fishermen as blue light is less visible to fish. The Tube BL is also rechargeable with a built in rechargeable battery and micro USB charging port. This compact keychain flashlight is a