Shape 1 is our best seller. Not too big and not too small. It's just right. You need one in your toolbox-really you do. The traditional kidney-shaped rib is the most universally recognized pottery tool. It fits well in the hand and is useful for sculpting, hand building and throwing clay.
All of our polymer ribs are made of unique flexible materials that are resistant to wear and the formation of burrs. We've found that with general use these ribs become burnished over time. Each polymer rib shape is available in variations of flexibility. Blue - Firm
Flexible rubber rib - hard. 3-1/2" x 1-3/4". Net Wt. is 9.7 grams/.02 lbs.