Unicorn Autograph Collection – Tungsten Darts. Features: 80% Tungsten Nickel Alloy, Precision engineered barrels, Matched weight series – set of 3 barrels within 0.1g, Gripper shafts, Unicorn Flights.Unicorn Autograph Collection – Tungsten Darts. Features: 80% Tungsten Nickel Alloy, Precision engineered barrels, Matched weight series – set of 3 barrels within 0.1g, Gripper shafts, Unicorn Flights.Unicorn Autograph Collection – Tungsten Darts. Features: 80% Tungsten Nickel Alloy, Precision engineered barrels, Matched weight series – set of 3 barrels within 0.1g, Gripper shafts, Unicorn Flights.Unicorn Autograph Collection – Tungsten Darts. Features: 80% Tungsten Nickel Alloy, Precision engineered barrels, Matched weight series – set of 3 barrels within 0.1g, Gripper shafts, Unicorn Flights.