Markal Timberstik®+ Pro Grade Lumber Crayon – Red The Markal Timberstik®+ Pro Grade Lumber Crayon in red provides bright, easy-to-see marks on a variety of surfaces. Designed for construction and surveying applications, it ensures clear visibility in demanding field environments. Key Features • Red marking for high visibility on most surfaces • Works on wood, concrete, metal, and stone • Durable construction for reduced breakage • Reliable performance in wet, dry, and cold conditions