Thread: Tuatahi axe project - small axe / hatchet for hunting, tramping, fishing etc

Originally Posted by Gruffle

I have no idea, didn't even notice it myself. There is certainly nothing like that on my axe, and I think extremely unlikely they'd release a product with an obvious flaw. In my experience with them I've never had an issue with quality, they seem to be very fastidious. Not fast, but fastidious...

I think you will find that the line is the transition in the heat treatment (ie a quench line). The eye will be softer than the edge for improved toughness.