Beveling is the operation of putting a finished edge on a piece of engraving stock.  It is done by cutting a 45 degree edge on the edge of the engraving stock.

SM-98A Material Beveler with Chip Removal System  

A simple operation that provides smooth, beveled edges for your finished signs.
Interface with virtually any shop vac with a 1 1/4" vacuum hose to help keep the work area chip free.
Durable steel 3" x 12" material table
117 volt, 60 Hz motor
Includes: 1 solid carbide 45° edge beveler cutter
2 hex wrenches
3/32" and 5/32"
Slide and operating instructions.

Scott SM98 - SM99 Material Beveler