OJY1338 Features: * Also known as layout chalk or ""keel"" * Shape fits the #109 Peterson holder, #106 holder and #108 holder * Weather-resistant, fade-resistant marks * Lead-free * Dia.: 1/2 in * Temp. Range: -50.0 F [Min], 150.0 F [Max] * Flash Point: 400.00 F * Specific Gravity: 1.0000 [Min] * Applicable Materials: Cardboard, Concrete, Lumber, Most Metals, Paper, Plastic, Rubber, Plywood * Applications: Multi-Purpose * Resistance: Weather * Type: Marking Crayon * Packing Type: Bulk * Quantity: 12 per box * Price is for 1 DOZ there are 12MKR/DOZ Dimensions: * Length: 4 5/8 in