The Viper V-Factor steel tip darts are designed with high quality, 90% tungsten and 10% nickel barrels, offering exceptional balance and styling. Using a dense metal like tungsten creates a slim profile dart barrel compared to a dart without tungsten. The higher the percentage of tungsten used, the smaller the profile, allowing for a closer grouping of darts to maximize scoring. Intended for use with sisal/bristle dartboards and are ideal for intermediate-to-advanced level players. Each barrel has strategically placed knurled bands, deep grooves and rings that make excellent gripping points and encourages consistent hand placement. Viper V-Factor darts are equipped with heavy-duty, lightweight aluminum shafts with locking holes. Locking holes in the shaft allow for a tighter fitting to the barrel that improves stability and greatly reduces the need to retighten during play. Quality flights are constructed to help increase speed and reduce drag, delivering a consistent flight path for pinpoint accuracy; detailed graphics are prominently displayed for added flare. These darts include an additional set of convex nylon shafts, flights, flight protectors and a dart mechanic wrench. The Viper V-Factor darts and accessories are fashionably stored and protected in the Deluxe Dart Pal case, which features a soft cloth lining and a hard outer shell.