Retiton Cutting Wheel Kin no Tamago 105x1.0x15 3 boxes, 30 pieces per box, unused/unopened Abrasive/Grain Size/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 is no problem with the product's performance. Many other items are also on sale. Thank you for your consideration.