Liquid Paint Marker, Actuation Type Valve, Compatible Surfaces Ceramic, Glass, Metal, Dry Time 45 sec to 1 min, GE Nuclear and Aircraft Engine Specification Compliance Not Applicable, Housing Attachment Style Clip, Housing Material Aluminum, Marking Tip Shape Bullet, Maximum Application Temperature 2,000 Degrees F, Maximum Performance Temperature 2,000 Degrees F, MIL Spec STD-2041D Compliance Yes, Minimum Application Temperature 0 Degrees F, Minimum Performance Temperature 0 Degrees F