The Lamy Studio Brushed Stainless Steel Finish Rollerball Pen. Lamy rollerballs are a good alternative to fountain pens or ballpoint pens. Combine the best of the two classic categories: Our rollerball pens are as easy to operate as ballpoint pens. And they have a similarly beautiful type face to the fountain pen.The Lamy Studio has a wonderfully substantial, balanced weight and feels just right. The ergonomic grip ensures total comfort. Propeller shaped bright chrome metal clip reminiscent of modern sculpture.