Leviathan Lumber Crayons Fluorescent Orange lumber crayon Block chalk is a good

Block chalk is a good wearing general-purpose chalk that comes in a block of 6 sticks

timber and cardboard

Please see the  Carsons Lumber Crayons 36 packet Box (432 sticks)

Each packet of Leviathan Industrial Marking Crayons in Fluorescent Green contains 12 pieces

Leviathan Lumber Crayons Fluorescent Orange lumber crayon Block chalk is a goodEach packet of Fluorescent Leviathan Lumber contains 12 crayons. Each crayon is approximately 13mm in diameter (hexagonal) by 112mm in length. For a discounted wholesale price you can buy a 12 packet box for $16. 45 packet. Please see the Leviathan Lumber Crayons 12 dozen box (144 sticks) listing.