Ready-made in the USA. Ships with NFC and magnets installed. Coinfinity brings ORDER to CHAOS. This 24.5 mm stacker is the new body style: pebbled fuzzy-skin, squircle tube, flush lid embossed COINFINITY + 24.5 mm, and a circular blue C badge on the front of every module. Tap the badge with the free Coinfinity Tracker app. No account. Works offline. Track Your Stack. Sold as a 2-pack. Sized for US quarters and other coins that fit a 24.5 mm inner diameter. Typical fill is about 20–40 coins, depending on thickness. Closest size wins — if they fit the well, they are compatible. Compatible coins From the official Compatible Coins list. Not exhaustive. US Quarter (including America the Beautiful and 50 State quarters) — 24.26 mm Other coins that fit 24.5 mm inner diameter Printed in metal-safe PETG — PLA can tarnish silver. Designed and manufactured in the USA. White is solid matte fuzzy-skin PETG. Black is CR-PETG, a bit glossy. What is on the tube Flush lid embossed COINFINITY + 24.5 mm Front circular blue C badge with 25 mm NTAG215 (included) Magnets installed for stacking on Coinfinity bases and other modules 2-pack (2 stackers) Prefer to print your own? The official 3D model (STL) is listed separately. See all compatible coins · Coinfinity Tracker