A smooth-writing ballpoint pen set with a 0.5mm tip and 10 ink colors. - Brand: Pentel - Model Name: ENERGEL infree - Number of Colors: 10 - Pen Tip Thickness: 0.5mm - Country of Manufacture: Japan Thank you for viewing. The description of this product is as above. I have used it a bit. I've only written with it a few times, and there's plenty of ink left. I think the condition is good, but please refrain from purchasing if you are concerned about the condition. Please be sure to read the profile before purchasing.