Keson Half-Moon Marking Chalk (2 Boxes of 72 Each)

Designed for hand marking, the Keson Half-Moon Marking Chalk (2 Boxes of 72 Each) can be applied to any surface for a long lasting bright mark. This marking chalk is commonly used on rail cars, concrete, asphalt, wood, and other surfaces. Plus, it is ideal for layout work and marking for estimating. It also features a 2-1/2 inches diameter that fits easily on the hand.