TPU adapter ring for all 1kg (200mm diameter) cardboard spools

• This model features a rim on two sides to secure itself tightly onto your cardboard spool
• This will last you forever (will not experience layer separation when fitting onto cardboard spool)
• Preserves your AMS rollers by offering a soft and compliant surface to roll against
• Do note that it can take a minute to fit the TPU adapter ring onto the cardboard. Once you've done it a few times it'll get easier. Stretch it as you need.