This is a used but in very nice condition.later model of the brown & Sharpe 6 x 12 surface grinder called the 612 Master.This machine is very heavy,all cast iron base, heavy saddle and a rollerway table.With the following.
6 x 12 inch Walker Ceramax Chuck ( handle is a bit loose but works OK )
Acu-rite III 2 axis digital readouts
Tenth dials for up and down and in and out.
Takes a 7 inch dia. wheel, with 9 1/2 inches under full wheel to chuck surface.