€¢ Excellent durability €¢ Wedge Tip €¢ Leak proof; seamless metal body €¢ Heavy duty; chisel point felt tip €¢ Permanent; instant drying ink €¢ Fade resistant €¢ 6 inch Barrel length >> Excellent durability! 6 inch metal barrel is ideal for tough environments. won't crack; melt or break. leak-proof; seamless metal body; heavy-duty chisel felt tip with anchored nib construction. permanent; alcohol-based; fast-drying ink is fade-resistant on glass; plastic; metals; wood; cellophane; paper and more."