Elkadart Rhino 80% Tungsten Steel Tip Darts with Storage/Travel Case Designed with high quality, 80% tungsten and 20% nickel barrels which offer exceptional balance and styling in a slim profile Each barrel has strategically placed knurled bands, deep grooves and rings that make excellent gripping points and encourages consistent hand placement Aluminum shafts feature locking holes, the most secure way to fasten shafts to barrels and improve stability Quality flights are constructed to help increase speed and reduce drag, delivering a consistent flight path for pinpoint accuracy; Each steel tip dart weighs 30 grams Darts are fashionably stored and protected in the slim-profile, hard-shell case; Proudly designed, manufactured, assembled and packaged in England