The V-Factor steel tip set is one of the hottest new sets from Viper. The shafts are the new translucent opal that are almost see through that catch color from other light sources. The barrels are 90% tungsten steel which adds weight without girth. The included flights are the super tough 150 micron thick Viper 150’s that are almost indestructible. These sets are available in 3 different weights and barrel styles.