blackboard chalk 72er

Chalk plain in 12 brilliant colors or in white, dust-bound, rounded edges, (mixed form of round and angular chalk), lies comfortably in the hand, and does not roll off the table, soft-writing and therefore suitable for all chalkboard surfaces. (Steel enamel, glass, painted surface) Dimensions: ø approx. 12.5 mm, length approx. 90 mm, proven for decades at thousands of schools.