https://www.bes.co.uk/1-2in-replacement-sink-basin-tap-washer-3-4in-o-d-x-0-2in-i-d-black-11218/41314Replacement Sink/Basin Tap Washer - 1/2" Blackhttps://www.bes.co.uk/media/catalog/product/1/-/1-2in-replacement-sink-basin-tap-washer-3-4in-o-d-x-0-2in_min_11218_P_1.jpg0.140.14GBPInStock/Plumbing Supplies/Plumbing/Washer7131273074<p>3/4" o.d. x 0.2" i.d. </p><p>The external diameter is 19 mm with a 4 mm hole in the center.</p><p>This will fit most sink and basin taps. </p>Unbranded00https://www.bes.co.uk/media/catalog/product/1/-/1-2in-replacement-sink-basin-tap-washer-3-4in-o-d-x-0-2in-i-d-black_min_11218_L_1.jpgadd-to-cartfacet_type:Black Washerspecial_price:0.140000more_sizes:11217products_related:19701,23208,20284,18433,10499,10497,10405,15177,18423,7505,18635sku:11218Black Washer1121719701,23208,20284,18433,10499,10497,10405,15177,18423,7505,18635112180.140000No{"Colour":"Black","Size":"1\/2"","Type":"Black Washer"}Unbranded1/2"