Markal Tyre Marque Tire Marking Crayon for Temporary Tire Marking, -20 to 130 Degree F Temperature, 1/2" Diameter, 4-5/8" Length, Red (Pack of 12) Ideal for temporary marking on many surfaces, including tires Marks easily on wet or cold surfaces Lead-free, zinc-free; brighter, smear-resistant colors Marks can be painted over Longer marking mileage; Marking range: -20F to 130F (-29C to 24C)