Wool felt pad /wheels with borefor cleaning, polishing metals,stainless steel,copper etc surfaces used for polisher, machine; Art.No: Description 6911543 115mm x16mm thickness x1/2" or 5/8" bore 6912544 125mm x16mm thickness x 1/2" or 5/8" bore 6915045 150mm x 16mm 20mm thickness x1/2",5/8" or 7/8" bore 6917846178mm x 16mm 20mm thickness x5/8",7/8" or 1" bore 6920047 200mm x 18mm 25mm thickness x7/8" 1" or1 1/4"bore 6925048 250mm x 20mm 25mm thickness x7/8" 1" or1 1/4"bore