Aluminum Oxide 6" x 5/8" Triangular File Grit:Coarse Stage 1 uses cyclonic action

Stage 1 uses cyclonic action to catch most of the grinding dust in a pan

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

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

Strops Designed for use with Diamond Stones

The black base has been updated and differs slighly from photo shown

Aluminum Oxide 6" x 5/8" Triangular File Grit:Coarse Stage 1 uses cyclonic actionAluminum 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