Shop Cold Steel Bread Sheepsfoot Polymer Black. The Cold Steel Bread Knife offers a fully serrated stainless steel blade for cleanly slicing bread. Fully serrated stainless steel blade slices cleanly through bread without squishing. Contoured handle provides an ergonomic grip. Durable handles are made from Kray-Ex material with a zytel core. Summary of Cold Steel Bread Sheepsfoot Polymer Black Knife (Satin,Serr) CS 59KBRZ: Construction: German 4116 Stainless; Overall: 13.875″; Blade: 9″ l German 4116 Stainless l Serrated Edge; Handle: Black; Other Info: Kitchen Classics. Handles have strong Zytel core with Kray-Ex exterior.