White School Chalk DIE RUNDE®

White School Chalk DIE RUNDE®
Size: 90 x 13 mm Ø white – pointed – dustless – with chemical hand guard

in 3 hardness grades:

soft                     medium                   hard
blue-marked          yellow-marked            red-marked

Good for all blackboards and all writings purposes from technical drawings with thin lines to shorthand education with thick-thin writing. Thanks an invisible chemical hand-guard with dust-binding effect is chalking largely prevented.