Heavy-duty sharpening rod made of diamond-infused steel with a plastic support tip Sharpens dull blades by holding the rod in a vertical position and swiping the cutting edge consistently at a 20-degree angle Suitable for keeping your straight-edge household knives in good condition Comes with a non-slip rubber handle for excellent grip during sharpening and hanging loop for storage Keep your prized knives ready for chopping every time with this sharpening steel from Edge Master. Note This diamond steel rod is not suitable for sharpening serrated blades or scissors.