Premium 3-Piece Combination Square Set - Stainless Steel Ruler, Protractor & Center Finder - Perfect for Woodworking, Metalworking & DIY Projects

Product Description

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