Ink Industrial Marker, Actuation Type Valve, Dry Erase (MERCH) Yes, Dry Time 25 to 35 sec, Extended Tip (MERCH) No, GE Nuclear and Aircraft Engine Specification Compliance Not Applicable, Housing Attachment Style Clip, Housing Material Metal, Includes Plastic Cap with Pocket Clip, Marking Tip Shape Bullet, Maximum Application Temperature 150 Degrees F, Minimum Application Temperature -50 Degrees F, Pigment Maximum Surface Temperature 150 Degrees F, Pigment Color White, Pigment Material Ink