Water soluble "Multi-Use" leads 4030. For almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily, bright or dark. Barrel with roll stop. Wipe clean from glossy surfaces with a damp cloth.
Its a great pencil for any carpenter. Never lose it, and it never needs sharpening. unless you want the fine line for trim cutting. i had one given to me by a friend, i in turn, got one for a friend of mine.