This 16 in combination square is ideal for big jobs It has our impactresistant acrylic level vial for longhaul durability Like our other combination squares it also acts as a depth gauge and CNC machined working surfaces for more reliable accuracy Stainless steel and brass hardware makes this tool a lifelong friendFeatures. Precision machined diecast zinc head. Spring loaded brass bolt assures firm accurate settings. Stainless steel blades with black precision etchings includes brass hardware. Screw fit brass scriber and impact resistant acrylic level vial. 18 in 116 in 132 in and mm scale gradationsSpecifications. Size 16 in. Dimensions 16 H x 075 W x 55 L. Weight 091 lbs