The PacTool Gecko Gauge Wood Siding 3/8" Gauges Sa90338 is a specialized tool designed by PacTool International for the precise measurement and installation of wood siding. This tool is essential for ensuring accurate and consistent results when working with wood materials. With its 3/8" gauge size, it is perfect for creating smooth and professional-looking finishes in siding installation projects. Built with quality and durability in mind, this tool is a must-have for any DIY enthusiast or professional craftsman working with wood siding.