Marking Crayon, Actuation Type Not Applicable, Casing Material Not Applicable, Dry Time Less than 30 sec, Glow-in-the-Dark Yes, Grade Scanner Compatibility Cypress, Lucidyne, Newnes-McGehee, Hardness Firm, Indoor/Outdoor Usage Indoor/Outdoor, Marker Size Group Standard, Marking Tip Shape Round, Maximum Application Temperature 100 Degrees F, Minimum Application Temperature 70 Degrees F, Overall Length 4 3/4 in, Pigment Color Green, Pigment Material Wax