MarsWork Reusable Filament Spool for Refill Filament, Quick-Swap Empty with Two-Finger Press Design and Strap, Easy-Open, Compatible Bambu Lab 3D Printers AMS

One Press. Instant Switch: Open the reusable spool with a simple two-finger press and swap filament refills in seconds. The quick-release design makes changing between different colours and materials fast and straightforward, without complicated disassembly Swap & Store Part-Used Filament: Switch colours without finishing the entire roll. Secure the remaining filament with the included strap, remove the part-used refill and load another onto the same spool. Keep unfinished rolls safely stored for future prints without needing a separate spool for each one Built-in Filament Clip: Keep loose filament ends securely in place with the integrated filament clip. Helps prevent unwinding and tangling during filament changes or storage, keeping your refills tidy and ready for the next print Colour Card Identification System: Quickly identify filament colours and materials with the convenient colour card system. Easily distinguish between different refills, avoid mixing up similar colours and keep your filament collection organised for your next project Compatible with Bambu Lab AMS: Designed for repeated use with refill filament and compatible with Bambu Lab AMS. The reusable design allows you to switch between refills without replacing the spool. Fits refill filament with a cardboard core inner diameter of approximately 82 mm (3.23 inches). Check refill dimensions before purchasing