K7510 China Marker Actuation Type Not Applicable Casing Material Wood Holder Dry Time Not Applicable Glow-in-the-Dark No Grade Scanner Compatibility Not Applicable Hardness Not Applicable Indoor/Outdoor Usage Indoor/Outdoor Marker Size Group Standard Marking Tip Shape Bullet Maximum Application Temperature 175 Degrees F Minimum Application Temperature Not Applicable Overall Length 6 7/8 in Pigment Color Black Pigment Material Wax Pigment Maximum Surface Temperature Not Applicable