Crux JPN Trust 90%Tungsten SP Steel Tip Darts by Target JapanTrust is a bullet shaped short barrel with a total length of 35 mm. The maximum diameter of 7. 8 mm provides a sense of security when gripping. The combination of a taper and cut that naturally fits the hand provides aggressive flight while being highly maneuverable. Trust is, as its name suggests, a barrel that you can throw while trusting in your abilities and the performance of the barrel.