It has six metallic body colors and is durable against abrasion
Retractable needle tip to protect the tip 
Fine writing with a tip size of 0.5 mm
Metal grip for ease of writing
It has a mechanism of three metal systems 
Long pencil lead protector
With a tip tank
Metal tip tank

 

Mechanical pencils are used to provide lines of constant width, without need of sharpening, for tasks such as technical drawing as well as for clean looking writing. They are also used for fine-art drawing. Since they do not have to be sharpened, they are also popular with students.
0.5 MM: Recommendable for those whose handwriting is small, as the stroke 0,5 mm leads create is finer. It is also indicated for artist that draw using little strain. 0.7 MM: Ideal to write numbers since this lead is soft but tougher.
The main advantages of using a mechanical pencil over a traditional wooden pencil include consistent line width without sharpening, cost-effectiveness in the long run, and greater precision and control, making them ideal for technical drawing and detailed work.
For professionals, 0.5mm leads offer an ideal balance of precision and durability, particularly in technical drawing. However, 0.7mm leads, often underestimated, provide smoother lines for artists and those requiring shading techniques.

Colors
Black, pencil tip, crimson, red, navy, gold