Super smooth writing with new elite ink. The ink is perfect if you want your documents to be tamper proof due to the special elite ink being resistant to water, light, alcohol, acid, ammonia, bleach, acetone and oil. The new tyre tread comfort grip gives you an excellent hold on the pen, while looking stylish too. The pen is easily refillable, and with just a quick twist of the barrel, the refill can be replaced. The pen comes with a useful pocket clip. The Medium 1.0mm tip gives line width of 0.32mm. Pack of 10. Begreen - Made from 78% Recycled Material. Retractable. Colour: Black.