7cm Map Scale Protractor for Accurate For construction Measurements Lightweight Acrylic Ruler for Geography Learning Tasks

EU LVD Voltage : Low voltage: Below 50Vac or 75Vdc High-concerned chemical : None Origin : Mainland China Scale Type : Clear Scale Ruler Use : Practical Ruler Tool Portability : Portable Tool Weight Feature : Lightweight Ruler Learning Application : Geographical Learning Material Type : Acrylic Ruler Measurement Purpose : Engineering Measurement Product Type : Coordinate Ruler Instrument Function : Measurement Tool Additional Feature : Protractor Material Structure : Transparent Acrylic Measurement Tool Travel Convenience : Light And Portable Ruler For Travel Operation Ease : Easy To Operate Measuring Tool Work Application : Geographical Work Tasks Ruler Industry Use : Construction Engineering Tool Design Type : Multi Coordinate Position Ruler