A great mechanical pen by Tombow Mono Graph.  It is just great design all around.  

You can click the side clip to open position and just shake the pencil for more led.  Or if you don't want that flexibility click it into the locked position.  It is a pencil that not only modern and sleek to look at but has a smart interaction with you.  

The eraser is also notable - you twist it up and we think it has a lot more eraser than most mechanical pencils.  

A great addition to your desk, pencil or work bag.  

Made in Japan