Combination Square Set, 4 Piece - 12"

• Graduation: 1/8", 1/16", 1/32", 1/64"
• Center head: locate center of cylinder with diameter: 1.181"Dia-3.937"Dia
• Accuracy: ±.006"
• Protractor head: 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: To set the blade at 90° or 45° to an edge of a workpiece
• Accuracy: ±8min for 90°square, ±10min for 45° square