Description: Product: This set includes a center square tool and a T Type Hole Ruler, essential woodworking measurement and marking tools. Material: Both the center finder line gauge and T type ruler are made of aluminum alloy, ensuring durability and longevity. Functionality: These tools are perfect for precise measurements, layout, and line drawing in woodworking projects. Package Contents: The package includes 1 Aluminum Alloy Center Line Ruler and 1 T Type Hole Ruler. Versatility: Ideal for both professional carpenters and DIY enthusiasts, these tools will enhance accuracy in all your woodworking tasks. Specification: Material : Aluminum Alloy Size Chart: type A: Center line ruler 148mmx91mm or 5.83inchx3.58inchT Shaped hole ruler 80mmx43mm or 3.15inchx1.69inch Package Includes: 1x Center Square Tool 1x T Type Ruler Note: Please allow slightly errors due to manual measurement and different monitors.