Tap Washer 1/2" (Pack of 6)
Black Rubber Tap Washers - 1/2 of an Inch
Tap washers were originally sized according to the size of the threaded connection into the bottom of the tap, this means the name of the washer doesn't match up with it's actual physical size.
The Washer Measures 19mm in diameter (3/4") and has a 4.5mm diameter hole
This size of washer is found in 1/2 inch BS1010 outside taps, many bathroom basin and kitchen sink taps - also some newer bath taps.