Johnson Level & Tool Manufacturing 420EM-S Combo Square 16" Zinc Head Stainless Blade

• Auto-Lock™ blade assembly

• Stainless steel blade with permanently etched graduations 1/8", 1/16", 1/32", mm

• Heavy duty cast zinc head with black, chip-resistant e-coating finish

• Hardened, screw-in scriber won't fall out

• Durable acrylic level vial

A necessary tool for any tradesman, this combination square is handy for any number of different project and tool-setup applications from woodworking, to stonemasonry to metalworking. Because the heavy-duty cast zinc head acts as a stop, it guarantees your layout lines are always square to the edges, making it ideal as a machinist's square, a straightedge, an adjustable try square, a miter square, a marking gauge and a depth gauge.