POLYMAKER PolyTerra Cardboard Spool Ring for AMS

Description: This Spool ring wraps the edges of a POLYMAKER 1kg cardboard spool in order to:provide smooth rotation within a Bambu Lab AMSprevent carboard debris from depositing within a Bambu Lab AMSprevent the cardboard spools from damagingFits perfectly the PolyTerra spool but can also be used with most of the filament brands with the same spool dimensions.