[HIGH QUALITY] High quality thick carpenter pencil is 7 inches long, 3/16" wide medium strong HB (#2) flat lead sturdy easy to sharpen with a knife or sharpener, can draw a highly visible dark marking line on a range of rough materials and will not smudge on marking surfaces Size Pen Body Design[PROFESSIONAL DESIGN FOR BUILDERS] Larger surface area builder pencils are easier to grip and their rectangular hexagonal shape prevents them from rolling. The non-round core allows you to draw thick lines on rough surfaces and high-precision thin lines simply by twisting the pencil[EXTRA-SMOOTH WRITING] Heavy duty marking pencils can withstand the stress of marking on hard, rough and uneven surface materials including wood, plywood, cardboard, concrete, unfinished wood, wood, paper, concrete, stucco, plaster, brick for marking saw lines, molding, drill points[MUST HAVE FOR PROFESSIONALS] Built to outlast all kinds of workbenches, job sites, and tool bags. Industrial grade marking tool is