Irwin Strait-Line, 66401ZR, Lumber Crayon, Wax, Red, 4-1/2 in L Dimensions

ITEM FEATURES:

• Marks are weather-resistant
• Wax-based crayons are non-toxic and waterproof
• Tough compound provides waterproof marking and long life
• Lumber, concrete, ceramics, rubber, metal, paper and cardboard are applicable materials