Manufacturer's Link: http://www.markal.com/prod/154/silver-streak-red-riter-welders-pencils.aspx
- Marks resistant to torch flames; will not rub off or burn off like soapstone.
- Highly visible marks illuminate when cutting or welding.
- Durable marks will not scratch or abrade metal surfaces.
- Hexagonal shape reduces barrel roll unlike competitive brands.
- Sharpen with any standard pencil sharpener.
- Economical, high-strength pencil is ideal for marking all types of metal surfaces - even oily, rusty or wet surfaces.
- Perfect for metal layout and fabrication work.