Aluminum Oxide 6" x 3/8" Triangular File Grit:Coarse This kit (AKA Magna-Matic System

This kit (AKA Magna-Matic System 3) has everything you need to sharpen lawn mower blades

Elevate your sharpening with the F

Coarse Grit (Red): used to start edges on all types of knives

Wolff Industries Part #32005

Aluminum Oxide 6" x 3/8" Triangular File Grit:Coarse This kit (AKA Magna-Matic SystemAluminum Oxide Stones Aluminum oxide stones excel at refining surfaces, offering a finer finish than silicon carbide stones. Their durability and ability to hold their shape well make them ideal for precision tasks such as sharpening, shaping, leveling, or deburring after machining. These stones are a good choice when a high quality finish and accuracy are critical. Oil Filled These Aluminum Oxide Stones are filled with oil in manufacturing, reducing