Magnum 44 Permanent Marker - Ideal for those with low vision, this marker allows you to write in big, bold black ink. The Magnum has a huge chisel tip that measures approx. 3/4 inch x 3/8 inch. Its SUPER THICK line is great for any BIG marking job you have. Proven permanent on most surfaces. Highly water resistant. Dries quickly. Color: Black.