vtg Craftsman "BLOCK" bench grinder 397. eye shields protectors parts restore

Description

pair of used eye shields from a 397.19580 grinder circa 1960's but will fit various other similar craftsman grinders from that era.
Includes mounting hardware
very rusty but otherwise in good shape.
One of the glass panes has an abrasion at bottom, looks like it may have touched a grinder wheel.
Both panes will have some scratches/imperfections on underside of glass from stone wheel grit
Use as is or good for restoration