<ul><li>Made of high-grade aluminum alloy with matte finish to prevent glare</li><li>Two metric and degree scales for common and hip-valley rafters</li><li>Traditional one-number method for rafter layout</li><li>0.5 cm speed notches facilitate scribing lines</li><li>Made in the U.S.A.</li></ul> Product Description This is the 25 cm metric version of the Swanson Speed Square. The Swanson speed Square was first developed by company founder Albert Swanson in 1925. This innovative tool combines 5 tools into 1: 1. Try Square, 2. Miter Square, 3. Saw guide, 4. Line scriber, and 5. protractor. The speed Square is die-cast for durability and accuracy. Made of heavy-gauge aerospace Aluminum alloy, it is built to last. The Speed Square includes the Swanson metric Blue Book of rafter length and roof construction and also features markings for using the Swanson one-number method of rafter layout. The Swanson Speed Square is our most popular product and remains the most trusted Square of its kind. Look for the Diamond cutout for genuine Swanson products. Amazon.com The Swanson Meteric Speed Square is made from high-grade aluminum alloy and comes with two metric and degree scales for common and hip-valley rafters. This 25-centimeter metric speed square is 5 tools in 1: a try square, miter square, protractor, line scriber, and saw guide. It is packaged with an English/Spanish instruction book and is backed by a 1-year limited manufacturer's warranty. From the Manufacturer Metric Speed Square. 25mm Square. 5 Tools in One! Try Square, Miter Square, Protractor, Line Scriber, Saw Guide.

Swanson NA202 Metric Speed Square Layout Tool (Aluminum)