Mar 27, 2013 #51 heeyy_joe Thinks s/he gets paid by the post Joined Nov 17, 2012 Messages 1,403 Location Madeira Beach Fl Mach 4 - I have gone 4 months before blade replacement. Overall the high incremental cost per unit is actually a net savings over earlier razor "innovations" in blade shaving.
Mach 4 - I have gone 4 months before blade replacement. Overall the high incremental cost per unit is actually a net savings over earlier razor "innovations" in blade shaving.