Retiton Cutting Wheel Kin no Tamago 105x1.0x13 Box of 30 Unused/Unopened Abrasive Grain/Grit/Hardness: AZ60P Maximum Peripheral Speed (m/s): 80 Maximum Rotational Speed (rpm): 14400 This item is new, unused, and unopened. There may be some scratches on the outer box due to warehouse storage, but there are no problems with the product's performance. Many other items are also on sale. Thank you for your consideration.