You are looking at a very solid and well constructed metal body mechanical pencil from TWSBI. The company has been building mechanical pencil for more than 20 years, and is considered one of the best mechanical pencil producer in the world.

The Precision come in 

three colors; black, brown, and mat silver,

two lead size; 0.5mm and 0.7mm, 

two tip mechanism; fix pipe and retractable pipe

total 12 models

If you are mechanical pencil lover, you should not miss out this one.