The Triangle Ruler are marked in centimeters.
With two kinds of triangle rulers, one is 30/60 degree triangle ruler, another is 45 degree triangle ruler, combine protractor, convenient to use.
Stationery drafting and measurement tool is a great help for .
You can measure length and degree conveniently.
With two kinds of triangle rulers, one is 30/60 degree triangle ruler, another is 45 degree triangle ruler, combine protractor, convenient to use.
Stationery drafting and measurement tool is a great help for .
You can measure length and degree conveniently.
