Sturdy carbon steel construction. 90 degree angle; polished handle. The try square you've been looking for! This tool measures 4 -1/4 (blade) x 2-1/4 (stock) inches (inside the square measurements) Weighing 0.3 lbs, this try square will help you to measure a perfect 90 degree angle An excellent tool for the professional machinist or carpenter - small size is ideal for modeling Made of solid sturdy carbon steel for years of durability and reliable performance Also will help to set up your saw blade and other machine type tools