Donna,

A sharp HB graphite pencil is your best bet. Used 'em for years, never had a
failure!

Bryan

> ----------
> From: 	Donna Sitrin[SMTP:dsitrin@unipathllc.com]
> Sent: 	August 26, 1999 11:22 AM
> To: 	histonet@pathology.swmed.edu
> Subject: 	cassette markers
> 
> Hello!
> 
> I know this is an age old question, but we are having increasing
> difficulties with our cassette markers (the usual permafrost pens).
> 
> They have modified their formula, and the pens are worse than ever.
> 
> Does anyone have a marking system or knowledge of marking pens that are
> solvent and paraffin resistant?  We have tried "Sure Mark" pens, but they
> have a broad point and we write many designations and specials on the
> cassettes.  The broad point limits the space we have for this.
> 
> Thank you for your input.
> Donna in Denver
> Unipath, LLC
> 
>