Elkadart Ultra Sonic 80% Tungsten Soft Tip Darts 18 GramsFeatures 80% Tungsten Barrels have a slim profile, allowing for tighter grouping of shots which increase scoring. Knurled barrel feature razorback ridges, and rings to provide an excellent and consistent grip throw after throw. Aluminum Shafts feature locking holes, the most secure way to fasten shafts to barrels and improve stability. Custom 100 micron flights feature the all new Ultra Sonic graphics! The extra thick flights will stand up to harsh