*** COVID-19 Notice: we are taking orders once again. You can place an order for crowns, and crowns in stock will ship immediately. In addition, we will be able to send out Swap Stopper orders from June 1st 2020 ***
A Swap-Stopper Back component. You might buy this as a spare so you can easily re-use stopper faces in multiple headjoints, or to replace a lost original. Colour or part and o-rings may vary (grey, black, etc).