Washing Machine & Dishwasher Inlet Hose Rubber Washers (10 of).Part No. W013-10.Suits all washing machines and dishwashers with standard 3/4" BSP standard tap fittings (actual thread diameter 1").Rubber washers 24.5mm diameter with a 12mm hole. Thickness - 2.8mm.Listing consists of a packet of 10 rubber washers suitable for hot or cold.We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.