|Divider that has needles at the ends of both legs||Divider that has needles at the ends of both legs|
|Compass with replaceable attachments||Compass with replaceable attachments|
|Slide-type compass||Slide-type compass|
|Slide-type compass||spring-type compass|
|Large spring-type compass||Drilling is performed on a pure aluminum
material, after which the external part of
the material is cut off.
|Slit, vertical hole, M2.0|