0.5mm Point for ZPT-BL The Balaur ZPT-TB The Trilobite typically has a wide particle

typically has a wide particle size distribution

5mm stone-grade tungsten carbide stylus for the ZPT-BL Balaur air scribe

The Trilobite is a modified version of a commercially available engraver

These are more durable than the tungsten carbide tips

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0.5mm Point for ZPT-BL The Balaur ZPT-TB The Trilobite typically has a wide particleThe smallest, finest fossil preparation stylus in the world! 0. 5mm stone grade tungsten carbide chisel stylus for the ZPT BL Balaur air scribe. For use with the 1. 5 0. 5mm head (the shank is 1. 5mm diameter only the very tip is 0. 5mm). Only suitable for use under very high magnification microscope. Tungsten carbide retains its shape extremely well and requires very little sharpening, but it is brittle. At diameters as small as this, a lot of care