Universal Spool Weight ⧸ Core Insert for any AMS

Stop spool wobble, hopping and rattle for good with a universal core insert that adds up to 400 g of perfectly centered weight – fits almost any spool, installs in seconds, and keeps your AMS running smooth and quiet.Boost MeIf you like this model, hit Boost or Follow. It keeps the filament rolling in and saves me from explaining another Bambu Lab bill at home.TL;DRUniversal core insert for AMS-compatible spoolsAdds up to 400 g of internal weight using any fillerEliminates spool hopping, wobble, and rattle during retractionsFits all spools with core diameter ≥ 54 mm and width ≤ 66 mmWorks with cardboard and plastic spools across all major brandsProfiles for two versions: one for 0.4 mm, one for 0.6 mm nozzlesScrew-on lid with dual-start thread and integrated click lockSpill-proof, mess-proof, frustration-proofNo supports required and compatible with most slicersRecommended: PETG-HF or ASA for AMS use during dryingOptional: PLA for unheated storage environmentsDesigned for permanent use