INDX Founders Edition units shipped with "hardened" steel nozzles that turned out to be... well, only kinda hardened – approx. 30 HRC on the Rockwell hardness scale compared to the 60 that's typical for heavy-duty abrasives-resistant printing. Basically, not up to the task of "zero fear of wear" as initially advertised.

After a wave of quiet product page edits and Bondtech and Prusa community discontent, Bondtech fessed up, admitting to bungling the messaging. It has promised to do better on that front, and is currently putting together a plan for redress for affected early adopters.