Item #: 99805
It has one gradation each for 25 and 30 degrees. Patent no. 605333.
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It has one gradation each for 25 and 30 degrees. Patent no. 605333.
It has one gradation each for 25 and 30 degrees. Patent no. 605333.
It has one gradation each for 25 and 30 degrees. Patent no. 605333.