C-Thru Protractor Ruler Plain Scale SKU: CTRW5 UOM: Each Sign up to create a quote + – Add to Quote Specifications SPECS westernex_protractor_rule.pdf Brochure westernex_measuring.pdf Features & Benefits 15cm/6 transparent 180° protractor ruler with 45° and 60° triangle cut outs plus French curve symbol Scales are in 16ths to the inch and centimeters