Harrows 3-Piece Cobalt Tungsten Steel Tip Darts, 21gm, Blue/Black.Harrows Sonic 90% Tungsten Steel Tip Darts – Style B A complex combination of precise milling, tough blue titanium nitride coating and unique re-machining results in a stunning barrel with innovative, modular protrusions for a powerful grip
Sonic darts are match weighed to +/- 0.5 grams and are fitted with clear Super grip shafts and new Sonic flights
There are 2 barrel designs, parallel and tapered, in both steel and soft tip ranges, each offering grip sequences of varying intensities.