Elkadart Razor 80% Tungsten Steel Tip Darts with Storage/Travel Case, 21 Grams Designed with high quality 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 Lightweight, aluminum shafts feature locking holes which allow for a tighter Fitting that improves stability and greatly reduces the need to retighten during play