Hello The shaver works fine but does not cut because the blades are as dull as molasses! The prices of the replacement blades are all over the map! It is the RQ11 shaver head Walmart - $26.95 - blades in new head Target - $39.95 - Blades in new head Just blades $4.98 - Do these fit all models? http://m.ebay.com/itm/3-Replacement-Shaver-Head-Blade-Cutter-For-Philips-Norelco-Electric-Razor-HQ9-MT-/351555344163?hash=item51da54d723:gssAAOSwo6lWJf21&_trkparms=pageci=f7410487-40e4-41a7-a773-7ab328633ba4,parentrq=693da1431550ab10e7a99643ffffa2df,iid=1,objectid=139844 Technical Details in pic below Click Pic To Enlarge:
Try searching for online reviews of the replacements. As always, don't bother reading the good ones, just read the bad ones.....thats where you are made aware of issues.