Fits:

Model RB460, Replaces OEM 84329281, Head size 1.8m – Quantity required: 27

Model RB460, Replaces OEM 84329281, Head size 2.0m – Quantity required: 31

Model RB550, Replaces OEM 84370743, Head size 1.5m – Quantity required: 23

Model RB560, Replaces OEM 84370743, Head size 1.5m – Quantity required 23