One80 TC Alu Dart Shafts – Regrooved Stems – Black & Purple – Medium. Each set contains 3 aluminium stems with coloured regrooved rings.One80 TC Alu Dart Shafts – Regrooved Stems – Black & Purple – Short. Each set contains 3 aluminium stems with coloured regrooved rings.One80 TC Alu Dart Shafts – Regrooved Stems – Black & Purple – Tweenie. Each set contains 3 aluminium stems with coloured regrooved rings.