Description Tailored to your needs! Dimensions: 4" L x 1.8" W Xiem Stainless Steel Clay Ribs are flawless, flexible and the finest cutlery stainless steel ribs available. They are tailored for all your shaping, trimming, cutting, smoothing and finishing needs on a variety of materials such as leather, hard water-base and oil-base clay, Sculpey Polymer clay, wax, and plaster.