TM661 Sherrill Flexible Rib 4

Measures approximately 4.19" x 2.0". Designed by potter Michael Sherrill, these ribs are made from a material known in industry as the "stainless steel of plastics" because of its wearing qualities.
 
Four different stiffnesses - Four different colors
Very Soft / Red: Great for compressing slabs, burnishing rims, chamois, and handbuilding.
Soft Flex / Yellow: Perfect for smoothing, burnishing, porcelain, throwing, and handbuilding.
Medium Flex / Chartreuse: Great for compressing bottoms, burnishing, trim marks, throwing, and handbuilding.
Firm Flex / Blue: Still flexible but stiffer. Great for high burnish and for larger work