■ Protractor (made of cast iron), only for 817-180-02I:
Used to set an angle or angle measurement,
measuring range: 0-180°, accuracy: ±20′
■ Square (made of cast iron):
Used as 90° square or 45° square
accuracy of 90° square: ±8′,
accuracy of 45° square: ±10′
■ Blade (made of stainless steel):
Used as rule, measuring range: 12″
front side graduation: 1/8” and 1/16”
reverse side graduation: 1/32” and 1/64”
■ Center finder (made of cast iron), only for 817-090-13I
and 817-180-02I:
To locate center of cylinders with diameter
(Ød): 1.181″ DIA-3.937″ DIA, accuracy: ±.006″