Hot Surface Marker Actuation Type Not Applicable Casing Material Paper Wrapper Dry Time 12 hr Glow-in-the-Dark Yes Grade Scanner Compatibility Not Applicable Hardness Firm Indoor/Outdoor Usage Indoor/Outdoor Marker Size Group Standard Marking Tip Shape Flat Maximum Application Temperature 400 Degrees F Minimum Application Temperature 1 600 Degrees F Overall Length 4 3/4 in Pigment Color White Pigment Material Paint Pigment Maximum Surface Temperature 1 600 Degrees F