Gilroy 9pcs Pottery Painting Sculpting Tools Clay Shapers Wood Shank Pens Black Clay sculpting tools. With 9 different sizes. Perfects for clay sculpting and painting. They do not absorb oils and paints, you can wipe them clean after work. The maximum length about 30cm/11.8 and the maximum diameter about 2cm/0.79. The minimum length about 16.5cm/6.5 and the minimun diameter about 0.6cm/0.24.