Features:
Application: It is a completely redesigned tool for drawing and measuring perfect circles.
Material: Made of aluminum alloy and stainless steel material, good corrosion resistance, not easy to rust.
Adjustable: It's perimeter can be enlarged or reduced. It can be used to draw round measurements and so on.
Portable: This is an easy to carry plotter, and can be used in industry.
Easy To Use: Simply rotate the rings to open and close its captivating aperture mechanism.

Specifications:
Type: circle drawing tool
Material: aluminum alloy, stainless steel
Color: gold+silver
Inside diameter: about 7.9cm/3.11 inch
Outer diameter: about 12.7cm/5 inch

Package Include
1pc x circle drawing tool

Note:
Please allow 0-1 cm error due to manual measurement. please make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.