Sharpie Magnum Metal Permanent Marker Chisel Tip 14.8mm Line Black (Pack 12) - S0949850The Sharpie Pro Magnum Permanent Marker is rugged for long lasting durability. Specially made for industrial users, the bold black marker writes on greasy, wet and oily surfaces, while the sturdy aluminum barrel withstands heavy use. The extra wide chisel is designed to endure abuse and still mark while the extra large ink supply wont quit on you.