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I’ve used it on ceramic tile and a coffee mug, and the diamond tip cuts clean lines where my old carbide one just skidded. Even the hardened steel on a chisel took a visible mark without much effort.

I needed something that could put a clean mark on hardened metal without dulling, and this tip does exactly that. The diamond point feels precise and durable, making it perfect for my workshop projects.

The diamond tip scribes through ceramic tile much easier than my old carbide one, and the sharp point gives me precise control for scoring glass. It’s handled everything from metal to wood without losing its edge.