10x 100mm (4") metal grinding discs, made by klingspor ?

10X 100MM DIAMETER METAL GRINDING DISCS THE BORE SIZE (HOLE IN THE MIDDLE) IS 16MM THEY ARE MANUFACTURED BY KLINGSPOR THESE ARE INDUSTRIAL QUALITY DISCS AND ARE VERY LONG LASTING ONLY FOR SALE AS I AM GIVING UP WELDING . THE ITEM CAN BE EITHER PICKED UP FROM MY HOME ADDRESS, OR I CAN OFFER POSTAGE AT 2.50 EXTRA