First String Premium String Set Mission Ballistic Green/Brown 1503158. s most popular performance focused string configuration. These custom strings are ideal for upgrading or replacing bow strings for some of the most popular bow on the market. Specifications for First String Premium String Set 1503158: Manufacturer: First String Color: Brown Green Features of First String Premium String Set: comes with everything you need including a string and cables necessary engineered for maximum performance in the field Package Contents: First String Premium String Set