Makita 60012495 Steel Grinding Wheels (B-07272), Size 4 Inches X 4 Mm.

 The sheet is made from fiberglass. The surface is coated with sand grains for adjusting the surface of the workpiece to be fine and smooth or for sharpening various types of cutting blades such as steel, aluminum, stainless steel, and various metals. Strong and durable, easy to use.  

• A thin grinding disc for fine-tuning the surface of the workpiece to make it smooth and precise.
• Used to sharpen various types of cutting blades such as steel, aluminum, stainless steel, and various metals. They are strong, durable, and work well.
• The sheet is made from fiberglass fibers. The surface is coated with sand grains.
• Rotational speed 4,300 m/min for fast grinding.
• Thickness 4 mm.
• Grinding blade size 4 inches