The package contains:

1. A metal compass;

2. Two sets of spare parts for screws;

3. 15 lead refills(packed in two tubes);

4. A small sharpener.

Essential tools for engineers and students

Can also be used for artistic creation and carpentry

Pencil lead size: 1.0 inch × 2mm

Universal size, easy to replace

The groove knob can avoid slipping when drawing a circle, so you can draw a perfect circle at once.

The center adjustment wheel can realize fine adjustment and automatically lock to the adjusted position.

One adjustment can perfectly copy the same circle infinitely.

The compass pencil draws smoothly, and the tip of the compass is sharp, which can draw a precise circle or arc