PRINCETON Catalyst Polytip 6400 Bristle Round (LH) Winsor & Newton Acid-Free and Long-Lasting: Each sheet

Acid-Free and Long-Lasting: Each sheet is acid-free

Non-firing clay is the natural clay for modeling that self-hardens in the air without the need for firing

Option 1: Heavy-Duty Metal The "heirloom" choice for high-traffic environments

4mm Tip for Precision: Each marker in this set features a precise 0

Water-based & vibrant colours

PRINCETON Catalyst Polytip 6400 Bristle Round (LH) Winsor & Newton Acid-Free and Long-Lasting: Each sheetROUND: Thick to thin strokes; for detail or filling in large areas depending on brush size and pressure applied. Catalyst Polytip Bristle brushes are another Princeton breakthrough that advances the science of synthetic hair. This new series is super stiff yet still extremely responsive. Unlike natural hog bristle, Catalyst has real integrity in water. Natural bristle can be rendered useless when it is water soaked. The true advance in Catalyst is the