D783 Vintage box of GLASSWEIN made in USA abrasive stones by KEMET

ITEM DESCRIPTION Vintage tools - sharpening stone D783 Up for sale is a boxed set of synthetic sharpening stones of various grits & compounds in pencil or file sized pieces. Some are corundum / aluminium oxide and others are silicon carbide. Size: 18 x pieces most are 150mm x 13mm, 3 pieces are 6mm x 6mm, and 4 pieces are 4mm x 4mm Weight: 230g CONDITION These stones are in authentic vintage condition, wear and tear consistent with age & use, they are in good shape. Ready to go to work sharpening in workshop. Please check the photos as they are part of the description.