Markal 96006 Silver-Streak Metal Marker Round, Silver Highly visible marks illuminate when cutting or welding Superior to soapstone in markability and durability; will not rub, burn or blow off surface Marks on oily, wet or rusty metals, and will not scratch or abrade surfaces Durable holders prevent stick breakage Durable, mechanical holder prevents stick breakage and features a convenient, built-in sharpener and pocket clip for easy storage