Key Benefits: -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. Key Applications: 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.