X4 Stellar – Copper & Ti-Cu

X4 Stellar in Copper & Ti-Cu Introducing the limited-edition X4 Stellar in all-copper and titanium-copper. Each flashlight begins with a billet of Ti-6Al-4V (Ti64) titanium alloy, carefully machined down and finished to form the body. After numerous iterations, we are proud to offer two striking finishes. Jade Reli