Protractor PETROGRAD, round, for checking the angles of sharpening of tools. 12 cutouts for angles - 15 °, 17.5 °, 20 °, 22.5 °, 25 °, 27.5, 30 °, 32.5 °, 35 °, 40 °, 60 °, 118 °. The depth of the cutouts is 19mm. Template diameter - 50mm. This template complements the PETROGRAD rectangular protractor. The convenient and compact template is used to check angles when sharpening chisels, cutters, planer knives and other cutting tools. There are holes at the end of the cutouts, which allows you to use a template to determine intermediate values from the values available in the set and not spoil the RC. Made of brass.
Production - factory of joinery and carpentry tools PETROGRAD.
Made in Russia.
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