Upgraded Stability Design:Thickened triangle ruler. The carpenter's square features a non-slip groove to maintain stable contact with surfaces, improve accuracy when adjusting angles and help professionals achieve consistent results when designing plans Drill slot function: woodworking speed square, metric The Carpenter square tool features drill slots for measuring shank diameter, making it easier to align tools and materials, increasing efficiency when working on intricate mechanical drawings or detailed construction tasks that require precision Quick access memory: The Square Tool design rule provides a quick-access storage solution with hanging holes and allows for efficient tool organization that reduces clutter and keeps your workspace clutter free, so you can easily retrieve it during tasks Precision workshop tool: metal triangle ruler for carpentry work. Made from a robust aerospace grade forging alloy, this frame square effectively resists bending and provides reliable performance for detailed layouts and cuts in various workshop environments where erosion-resistant surfaces protect against wear over time Improved stability handle: carpenter's angle. This woodworking angle is equipped with a thickened anti-slip handle that provides excellent control to prevent slipping, while accurate right angle positioning grooves for alignment of the plate edges during crafts work, Manufacturer: MRKU