Sherrill Mudtools Shape 1 Polymer Rib for Pottery and Clay Artists， Red Color Very Soft<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Potters Ribs are essential tools for throwing clay on the wheel， hand building or sculpting.</li><li>Shaped like the traditional kidney rib to fit comfortably in your hand.</li><li>Mudtools polymer pottery ribs are made of a unique flexible material that will not develop burrs or cracks under normal use.</li><li>Available in different sizes and colors (color designates level of flexibility)</li><li>3.5" x 1.75". Made in USA!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31xQsvU20IL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MaWfYtypL.jpg" noproxy>