Bohning Griffin Vane Black. The twisted ribbon design aids in immediate arrow rotation and the minimal surface area resulting from the cut-out profile provides a stable & accurate flight in variable constant and zero wind shooting scenarios. Weighing 1.2 grains the Griffin can be fletched with a standard Pro Class Style Jig using glue or tape. Specifications for Bohning Griffin Vane: Manufacturer: Bohning Color: Black Features of Bohning Griffin Vane: Designed for olympic recurve archers Weighs 1.2 grains Clamp adapter included 40 pk Package Contents: Bohning Griffin Vane Bohning 101055BK1: Griffin Vane Black