Datadart Red Demon 90% Tungsten Steel Tip Darts. All Red Demon 90% Tungsten darts are individually packaged and include a set of durable stems and a set of Datadart flights.Datadart Red Demon 90% Tungsten Steel Tip Darts. All Red Demon 90% Tungsten darts are individually packaged and include a set of durable stems and a set of Datadart flights.Datadart Red Demon 90% Tungsten Steel Tip Darts. All Red Demon 90% Tungsten darts are individually packaged and include a set of durable stems and a set of Datadart flights.