Guides
PCO 1810 vs PCO 1881 Neck Finish
The 1881 neck is shorter and lighter — but is it right for your line?
The PCO 1881 neck is about 1–2 g lighter than 1810, which adds up to real savings at high volumes.
Closure compatibility
Closures are not interchangeable; switching necks means new caps and capper adjustments.