This pen works really smooth and also gives a good flow. It also last more than a week and writes fluently without any break. Its light-weighted and have a good grip structure which makes your hand move faster and increase your writing speed. It never fails to work smoothly and always satisfy its costumer.
Also its so affordable that you can buy a whole pack and use it for a month or more.
Further more, it is refillable and its refill is really cheap in cost and can be afforded very easily.