Shot Lock Dart Shafts – Durable Nylon Stems – with Shot Lock Rings – Red – Medium – 47mm. Strong and durable nylon dart stems with 2BA thread. Equipped with Shot Lock rings to ensure a tight grip between flight and shaft and no separation during play. Sold in sets of 3. Available in 3 lengths. Measurement: Does not include thread.Shot Lock Dart Shafts – Durable Nylon Stems – with Shot Lock Rings – Red – Tweenie – 40mm. Strong and durable nylon dart stems with 2BA thread. Equipped with Shot Lock rings to ensure a tight grip between flight and shaft and no separation during play. Sold in sets of 3. Available in 3 lengths. Measurement: Does not include thread.Shot Lock Dart Shafts – Durable Nylon Stems – with Shot Lock Rings – Red – Short – 35mm. Strong and durable nylon dart stems with 2BA thread. Equipped with Shot Lock rings to ensure a tight grip between flight and shaft and no separation during play. Sold in sets of 3. Available in 3 lengths. Measurement: Does not include thread.