NIKTION 7 Inch Rafter Square Triangle Ruler Angle Ruler Aluminum Alloy Double Scale Carpenter Triangle Square Measurement Tool for Woodworking and Carpentry Non-magnetic Engineer's Precision Level  (18 cm)

• High Quality: The 7 inch triangle ruler is made of aluminium alloy, which is light and convenient • Double Scale: Clearly scaled on the ruler surface, the angle ruler offers convenience of using the right number to work. • Multi-function: The triangle ruler can be used as a protractor, line scriber, saw guide and trimeter square, framing square and a ruler, suitable for all woodworking projects. • The rafter square is convenient to hang and store when not in use • Size: The lengths of the three sides are 7 x7 x10.4 in.