PRODUCT DESCRIPTION - Click to Enlarge Inset Picture!
The 3in1square (3n12) is a new tool that takes the guess work out of constructing/building stairs - stair stringers and roof rafters. The 3n12 provides a better visual aid than the framing square and makes it easy to understand the concept of measuring and cutting stair stringers and rafters. Simply set the dimensions for the rise and run on the 3n12 one time to mark all of your stair stringers and rafters.
The 3in 1square (3n12) is made of high strength polymer with an aluminum fence and is UV resistant. The 3n12 will not break, distort, or loose it's shape and has a 100% guarantee or your money back. The 3n12 is also guaranteed to save construction time, eliminate costly cutting errors, and frustrations when constructing stair stringers or roof rafters and has many other uses.