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