Earthstone Clay ES 65 Terracotta Crank 100 KgEarthstone Clay ES 65 Terracotta Crank Available in 25 Kgs bags. Minimum order 100 Kgs. Earthstone Terracotta Crank allows you to create large sculptural pieces and is a beautifully textured, richly coloured clay. ES 65 combines the warmth and excellent working properties of red clay with the strength of a crank, giving an exceptional body that is ideal for all types of hand building processes. ES 65, like all Earthstone Clays, is exceptionally warp