Rod features a steel core with rubber in between to reinforce the rod while providing shock absorption
Rubberized end-cap absorbs shock and to stabilize the rod against your cutting board while in use
The black ceramic material is a new type of ceramic that is much harder than traditional white ceramic making it perfect for quickly realigning edges of harder Japanese steel knives
Medium 2000 grit surface polishes your knife edge smooth which obtains faster and better results
Generous 10.5″ rod length and metal guard for safety with metal hanging ring