Isomars Semi Circular Protractor Transparent 180 degree 16cm protractor Categories: Templates, Drafting Share This Twitter Pinterest LinkedIn Email Products in this RangeSM05Isomars Semi Circular Protractor Related products Read more Isomars Metric Scale Ruler – Oval Read more Isomars Bolt Template Read more Isomars Lettering Stencils Read more Isomars Drawing Boards – Matic Double Lock A3 Read more Isomars Circle Templates