Starrett VERNIER BEVEL PROTRACTOR, WITH 7" BLADE C359BZ Satin chrome finish on all reading surfaces Sharp, machine-divided graduations that read to 5 minutes (1/12 of a degree) Blades can be rotated and length adjusted, as required; flush surfaces on the base permits use on height gauges Dial and blade can be locked independently Machine-divided graduations read to 5 minutes (1/12 of a degree) and accuracy is finer than can be read; the most convenient, ultra-sensitive fine adjustment for precision setting