Insize 2278-180 4-Piece Combination Square Set, Range 12"/300 mm, Graduation 1/32"/0.5 mm on Front, 1/64"/1 mm on Back Face

Features:

• Center head (made of cast iron): To locate center of cylinder with diameter (d): 1.181" DIA-3.937" DIA
• Accuracy: ±.006"
• Protractor head (made of cast iron): To set the blade at desired angle to an edge of a workpiece, and can be used to measure angles
• Range: 0-180°, accuracy: ±7min.
• Square head (made of cast iron): To set the blade at 90° or 45° to an edge of a workpiece
• Accuracy: ±8min for 90° square, ±10min for 45° square

For more information, please see Data Sheet