Mission GripLock Dart Shafts – Strong Nylon Shafts with Logo. Includes precision machined rings. Length: 34mm; (does not include thread – 5mm) Thread: 2ba Mission GripLock Shafts – Dart Stems – Yellow – Short-S1081 – These Stems are our best selling nylon stem, a must try!Mission GripLock Dart Shafts – Strong Nylon Stems with Logo. Includes precision machined rings. Length: 48mm; (does not include thread – 5mm) Thread: 2ba Mission GripLock Shafts – Dart Stems – Yellow – Medium-S1079 – These Stems are our best selling nylon stem, a must try!Mission GripLock Dart Shafts – Strong Nylon Shafts with Logo. Includes precision machined rings. Length: 41mm; (does not include thread – 5mm) Thread: 2ba Mission GripLock Shafts – Dart Stems – Yellow – Tweenie-S1080 – These Stems are our best selling nylon stem, a must try!