The Mudtools polymer potters ribs are used to shape and smooth your clay pieces.The Shape 5 Polymer Ribs have much in common with our Shape 1 Polymer Ribs, only on a bigger scale. They offer more surface coverage, making them great for smoothing a slab of clay. Hardness:Blue - FirmGreen - MediumYellow - SoftRed - Extra Soft Approximate dimensions: 2" x 4.13" Made in Bat Cave North Carolina, Mudtools began because of a gap in the market. Artist Michael Sherrill couldn’t find the right tools to make his work. So he started making his own. People saw how the tools performed and wanted them for themselves. A business was born. Mudtools are particularly well known for their self polishing ribs. Made in 6 different shape for the various needs of hand builders and throwers, each of the 6 shapes come in a gradation of four hardnesses.
