Paint Crayon Actuation Type Not Applicable Casing Material No Casing Dry Time 2 min Glow-in-the-Dark No Grade Scanner Compatibility Not Applicable Hardness Not Applicable Indoor/Outdoor Usage Indoor/Outdoor Marker Size Group Fine Marking Tip Shape Flat Maximum Application Temperature 1 100 Degrees F Minimum Application Temperature 225 Degrees F Overall Length 4 5/8 in Pigment Color Black Pigment Material Paint Pigment Maximum Surface Temperature 1 100 Degrees F