Bulls Black Jack Chromed Brass Darts. Chromed brass dart, precision profile for improved grip. Each pack contains Nylon Shafts, Lightning Flights, and a Slim Case.Bulls Black Jack Chromed Brass Darts. Chromed brass dart, precision profile for improved grip. Each pack contains Nylon Shafts, Lightning Flights, and a Slim Case.Bulls Black Jack Chromed Brass Darts. Chromed brass dart, precision profile for improved grip. Each pack contains Nylon Shafts, Lightning Flights, and a Slim Case.