Rubber Kidneys

Rubber Kidney Ribs for Smoothing & Shaping Clay

These versatile rubber kidneys are essential tools for any ceramic artist. Made from pliable rubber in three sizes and two grades of firmness, they’re ideal for smoothing and shaping clay during throwing or handbuilding.


Use a rubber kidney rib to refine your pottery surfaces, apply transfers as a squeegee, or press clay into moulds. Their flexibility makes them especially popular in rubber kidney pottery work for achieving clean, consistent finishes.


Whether you're a beginner or building out your clay tools kit, these soft rubber kidneys are a studio staple. They also pair perfectly with our potters clay for sculpting, throwing, and decorating.


Looking for more tools? Browse our full range of pottery tools here.