Black Natural Rubber Seal Washers (55 Duro) 80mm O.D. x 24mm I.D. x 12mm Thick: 12.000 pieces 75mm O.D. x 31mm I.D. x 16mm Thick: 20.000 pieces 65mm O.D. x 36mm I.D. x 10mm Thick: 800 pieces 60mm O.D. x 20mm I.D. x 10mm Thick: 4.800 pieces 59mm O.D. x 24mm I.D. x 12mm Thick: 12.000 pieces 58mm O.D. x 16mm I.D. x 12mm Thick: 4.000 pieces Rubber has to be between 50 – 60 Duro (aim for 55 Duro) and must be Shore “A” Black Natural Rubber Price in USD CIF to Sydney, Australia Please indicate delivery time