A flexible rubber 'kidney' with one flat surface and one convex surface. Ideal for gently smoothing and compressing clay and other modelling materials without distorting the overall form. * Approximate dimensions 105 x 53mm https://elecena.pl/product/27215483/major-brushes-rubber-kidney 2024-11-10 https://elecena.pl/product/27215483/major-brushes-rubber-kidney 2025-05-21