Built for Precision and Performance. The JessEm Longsword Series T-Squares deliver exceptional accuracy for every woodworking project. Each tool features dual engravings with imperial measurements on one side and metric on the other, crafted from premium aluminum and stainless steel to combine lightweight handling with superior durability. Designed for both seasoned professionals and passionate hobbyists, these T-Squares ensure flawless cuts, perfect alignments, and true 90° accuracy every time.Engineered with JessEm s Patented Flex Grip Technology, each square provides a secure, non-slip hold for effortless marking-even on large panels or vertical surfaces. A precision slide button engages dual balancing tabs for extra stability, ensuring unwavering support and repeatable results.