"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 Color = Yellow Diameter = 1/2 in Length = 4 5/8 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 UPC: 048615803517 UPC: 048615803517"