Caliburn DNA Darts – Steel Tip – 90% – D1 – Blue – 23g. This Caliburn DNA Steel Tip Dart features a 90% straight tungsten barrel, with a hexagonal milled cut along the rear of the barrel with a milled design along the front. The blue titanium coating enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights.