Irwin's Lumber Crayons are smear-proof which help create marks with high color contrasts to improve organization and reduce errors. They are used to write on lumber (rough or smooth), metal, plastic, concrete, cardboard, paper, etc.
For use on oily, slick, wet, cold, or dry surfaces
Irwin's Lumber Crayons are smear-proof which help create marks with high color contrasts to improve organization and reduce errors. They are used to write on lumber (rough or smooth), metal, plastic, concrete, cardboard, paper, etc.
For use on oily, slick, wet, cold, or dry surfaces