Caliburn Jade Darts - Soft Tip - 90% - 玉楼 - Blue - 19g. This Caliburn Jade Soft Tip Dart features a 90% torpedo tungsten barrel, with a ringed design along the length of the barrel with a milled cut along the rings. The electric blue colour enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights. Caliburn Jade Darts - Soft Tip - 90% - 玉楼 - Blue - 20g. This Caliburn Jade Soft Tip Dart features a 90% torpedo tungsten barrel, with a ringed design along the length of the barrel with a milled cut along the rings. The electric blue colour enhances the visual appeal of the dart. They come complete with Caliburn Dart Shafts and Flights.