Tool fits 1/2” and 3/4” in BS1010 new series and BS5412 flat and bevelled seats,
six cutters and two double bushes in set. Cutters: Flat: 11/16” and 3/4”, 17 and 19mm.
Flat: 13/16” and 1”, 20 and 25mm. Bevelled: 11/16” and 13/16”, 17 and 20mm.
Fits old series 1/2” and 3/4” BS1010 flat seats, four cutters and two tapered cones in set. Cutters: 11/16”, 3/4”, 13/16” and 1”, 17, 19, 20 and 25mm.