Unicorn T90 Core XL - 90% Tungsten Darts. Features: 90% Tungsten Nickel Alloy, Super slim barrels for extra close grouping, Matched weight series - set of 3 barrels within 0.1g, Unicorn Shafts, Unicorn Flights. Unicorn T90 Darts - Steel Tip - Core XL - S2 - Green