Operation confirmed! Grinding wheel dimensions: Outer diameter 200mm, hole diameter 75mm, thickness 25mm Rotation speed: (50Hz) 460, (60Hz) 560 rpm Accessories etc. are all that are shown in the photos. Please check the condition of the product from the photos. We have made it as affordable as possible, so price reduction is not possible. Thank you for your understanding. ☆ We will ship carefully via Yamato Transport! ☆ #makita #grinder e2