Bulls Mercurius Darts – Steel Tip – 90% Tungsten – Ava – 15g. This new Bulls Mercurius series is the counter part of the Brutus series. The Brutus Series, known for there heavy darts, this Mercurius series is a perfect fit for players who like quality lightweight darts. Constructed from 90% tungsten, these steeltip darts offer a superior quality. The higher tungsten percentage means that the barrel need less material which also means more space in the trebles. The barrel has a straight and thin shaped barrel. The barrel has ringed grip with groves running vertical over the barrel. Choose the perfect weight to suit your throwing style. These new Bulls Mercurius Ava darts are available in 15, 17 and 19 grams steeltip. The Mercurius dart comes with the Series 100 Mercurius No.2 flights. designed after the god Mercurius from Roman mythology. Bulls Mercurius Darts – Steel Tip – 90% Tungsten – Ava – 19g. This new Bulls Mercurius series is the counter part of the Brutus series. The Brutus Series, known for there heavy darts, this Mercurius series is a perfect fit for players who like quality lightweight darts. Constructed from 90% tungsten, these steeltip darts offer a superior quality. The higher tungsten percentage means that the barrel need less material which also means more space in the trebles. The barrel has a straight and thin shaped barrel. The barrel has ringed grip with groves running vertical over the barrel. Choose the perfect weight to suit your throwing style. These new Bulls Mercurius Ava darts are available in 15, 17 and 19 grams steeltip. The Mercurius dart comes with the Series 100 Mercurius No.2 flights. designed after the god Mercurius from Roman mythology. Bulls Mercurius Darts – Steel Tip – 90% Tungsten – Ava – 17g. This new Bulls Mercurius series is the counter part of the Brutus series. The Brutus Series, known for there heavy darts, this Mercurius series is a perfect fit for players who like quality lightweight darts. Constructed from 90% tungsten, these steeltip darts offer a superior quality. The higher tungsten percentage means that the barrel need less material which also means more space in the trebles. The barrel has a straight and thin shaped barrel. The barrel has ringed grip with groves running vertical over the barrel. Choose the perfect weight to suit your throwing style. These new Bulls Mercurius Ava darts are available in 15, 17 and 19 grams steeltip. The Mercurius dart comes with the Series 100 Mercurius No.2 flights. designed after the god Mercurius from Roman mythology.