The Empire® 12 in. True Blue® combination square (E250) has precision machined working surfaces and a head with rational dimensions for a quick check of common measurements. The square has the BLADE-LOCK™ self-aligning drawbolt allowing quick adjustments with a secure hold. The DUAL-PITCH™ True Blue® vial allows easy checks for level, one-, and two-degree slope. The 12 in. etched stainless steel blade will not fade over time and has high-visibility markings. The Combo square also has Onboard storage for a hardened scriber. BLADE-LOCK™ for fast adjustment and secure hold PRCN machined working surfaces DUAL-PITCH™ Vial for checking 1 and 2 degree slope Rational head dimensions CST zinc head MILWAUKEE® is committed to continuously innovating Layout Hand Tools. With a full line of Tape Measures, MILWAUKEE® provides a solution for every user, ranging from reach, to durability, to compact size. STUD™ is the most durable Tape Measure in the industry with the longest lasting blade, combating blade tear. Wide Blade Tapes deliver the longest reach & straightest standout, allowing just one user to easily and accurately make long distance measurements. In addition to Tape Measures, Milwaukee provides a wide range of layout hand tools including levels, squares, measuring wheels, long tapes, marking solutions and much more The Empire® 12 in. True Blue® combination square (E250) has precision machined working surfaces and a head with rational dimensions for a quick check of common measurements. The square has the BLADE-LOCK™ self-aligning drawbolt allowing quick adjustments with a secure hold. The DUAL-PITCH™ True Blue® vial allows easy checks for level, one-, and two-degree slope. The 12 in. etched stainless steel blade will not fade over time and has high-visibility markings. The Combo square also has Onboard storage for a hardened scriber.