Combination Square Set (Open Type Protractor)
Code: 2274-4
Center head (made of cast iron): to locate center of cylinders with diameter (Ød): 30-100mm, accuracy: ±0.15mm
Protractor head (made of cast iron): set the blade at desired angle to an edge of a workpiece, and can be used to measure angles range: 0-180°, accuracy: ±20min
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