This Ultrascan lumber grading crayon has maximum character recognition and accuracy for the lowest possible reject rates. Its unique formula provides excellent writing on wet and green lumber and allows for dramatically long usage. It comes in bright orange 44, has an 11/16-inch tip, and a temperature range of 0 Degrees F to 100 Degrees F. This crayon meets Lucidyne Colorscan and Newnes-Mcgehee grade mark reader standards and is made for use with Lucidyne, coe newness, and cypress scanning equip