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The STANLEY 46-131 is a 16-inch combination square designed for layout, marking, and measuring tasks across a range of trade applications. Combination squares serve as multi-function hand tools, combining a ruled blade with a sliding head that functions as a try square, miter square, and depth gauge in one compact instrument. At 0.83 pounds, the 46-131 is light enough for one-handed use during layout work on framing, rough carpentry, electrical rough-in, and plumbing installations. It is a standard item for any tradesperson who requires consistent 90-degree and 45-degree reference angles on the job.
The 46-131 combination square is suited for residential and light commercial construction and service work. Electricians use combination squares to mark conduit bends and panel knockout layouts. Carpenters and framers use them for stud and joist marking. HVAC and plumbing technicians use them for ductwork layout and pipe rough-in measurements. The 16-inch blade length accommodates wider stock and panel materials where a shorter square would fall short.
Designed as a general-purpose hand measuring tool compatible with standard trade layout and marking workflows across carpentry, electrical, HVAC, and plumbing applications.
No power source or shutoff is required for use of this hand tool. Verify blade lock is firmly tightened before scribing or marking to prevent head slippage and inaccurate layout lines. Clean the blade and head contact surfaces periodically to maintain measurement accuracy. Refer to applicable local building codes for dimensional tolerances required in your specific trade application.
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