Harrows Control Parallel Darts – Steel Tip – 80% – Ringed – 25g. These 80% Tungsten barrels have been carefully designed to create a superior grip for ultimate control. The dart is available in 2 barrel shapes to be suitable to every dart player. Each set comes complete with a set of Harrows Supergrip shafts and a set of Control flights.Harrows Control Parallel Darts – Steel Tip – 80% – Ringed – 22g. These 80% Tungsten barrels have been carefully designed to create a superior grip for ultimate control. The dart is available in 2 barrel shapes to be suitable to every dart player. Each set comes complete with a set of Harrows Supergrip shafts and a set of Control flights.Harrows Control Parallel Darts – Steel Tip – 80% – Ringed – 23g. These 80% Tungsten barrels have been carefully designed to create a superior grip for ultimate control. The dart is available in 2 barrel shapes to be suitable to every dart player. Each set comes complete with a set of Harrows Supergrip shafts and a set of Control flights.