This is for one Used Water Pump Pulley that's been Cleaned up and is Ready for use,  Sizes takes a 3/4" wide Belt Pulley is 5" od and inside rear Hole is 3" and Centre hole is 1" 3/16.  (See Photos)

Fits: a Daimlers 1953 to 1960 all 6 cyl, Models as DJ /DF /DK