Aluminum Oxide 6" x 5/8" Triangular File Grit:Coarse the G7 stone holder is

the G7 stone holder is made of fused layers of glass with sturdy non-slip rubber feet and stops

Use both surfaces on a dull knife

MAG-8000 and MAG-9000 Machines for fast sharpening of conventional lawn mower blades

The bottom of the block is covered in synthetic non-slip pad

Hinged on one long side

Aluminum Oxide 6" x 5/8" Triangular File Grit:Coarse the G7 stone holder isAluminum 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