4" Makita Diamond Disk.

Type: Diamond Wheel, Dry & Wet Type. Dimensions: 230mm (9") diameter with a 22.23mm (7/8") arbor hole, and a thickness of 1.9mm. Material Compatibility: Suitable for cutting marble and concrete. Diamond abrasives offer high hardness and compressive strength, making them ideal for grinding hard materials like stone, concrete, and even carbide. Performance: Capable of a maximum speed of 6,600 revolutions per minute (min−1). Diamond wheels offer excellent cutting ability and are known for their durability and long lifespan. Origin: Made in Japan.