For clay crafters, having the right circle cutters makes projects smoother—and this 40-piece set covers every size needed, from tiny charms to statement earrings. Imagine a jewelry maker prepping for a craft fair: they grab the 20mm polymer clay cutters for earrings, and press into pastel clay to get 5 identical rounds at once, no sticking or uneven edges.A teacher leading clay class pulls out the 30mm cutters—their smooth plastic edges are safe for little hands, and the lightweight design is easy to grip. Kids press them into air-dry clay to make Christmas ornament bases, then pair the circles with polymer clay molds to add textured tops. For a hobbyist working on a charm bracelet, the 10mm circle cutter creates dainty accents, while the 50mm size makes pendants.After crafting, the cutters rinse clean under water, and their flexible plastic doesn't crack if dropped. They fit neatly into the storage bag, sorted by size so you never hunt for the right one mid-project. Whether you're making jewelry, home decor, or crafts, this set turns clay into perfect circles with minimal effort.