TruGlo TRU TFO SIG #6 FRONT YLW RS. They are the ultimate in handgun sights using the TFO technology. They have unbelievable transition through all light conditions and glow in the dark. FTO sights are CNC-machined steel construction and the concealed fiber cannot be seen by the target. These sights fit in standard holsters because of their snag-resistant design Specifications for TruGlo TRU TG131ST2Y TFO SIG #6 FRONT YLW RS: Manufacturer: TruGlo Gun Make: SIG Sauer Gun Model: SIG Sauer Pro Color: Green Front/Yellow Rear Front Sight Color: Green Rear Sight Color: Yellow Fabric/Material: Metal Front Material: Tritium/Fiber Optic Country of Origin: USA Package Contents: TruGlo TRU TG131ST2Y TFO SIG #6 FRONT YLW RS The TruGlo TRU TG131ST2Y TFO SIG #6 FRONT YLW RS is a quality addition to the TruGlo lineup. For more great deals on Tritium Pistol Sights by TruGlo please browse our TruGlo Gun Parts page. TruGlo TG-TG131ST2Y: TRU TFO SIG #6 FRONT YLW RS