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• Fully hardened and ground datum faces to resist wear
• Protractor has full 360° scale plate, graduated 0 - 180° - 0
• Satin chrome scale plate on protractor
• Square head offers the following fixed angles: 15°, 30°, 45°, 60°, 75° & 90°
• Centre head offers a fixed 90° angle, for finding the centre of round bar stock up to 120mm diameter
