Features For Fixing and Positioning: The positioning ruler kit is widely used for woodworking right angle fixing and positioning, height and length measurement. Standard Metric Scale: With standard metric unit scale, accurate measurement and clear reading, has strong practicability. Made of Aluminum Alloy: Made of aluminum alloy material, light weight and corrosion resistant, not easy to wear or deform. Wide Measuring Range: The measuring range of the positioning ruler is 0‑12cm, which can be used in a variety of woodworking scenes. Accurate Positioning: Can be fixed at 45° and 90° angles, used with screw rods and handles, makes positioning stable and accurate. Specification: Item Type: Woodworking Right Angle Fixture Material: Aluminum alloy Color: Red Measuring Range: Approx. 0-12cm / 0-4.7in Measurement Scale: Metric Fixed Angle: 45° and 90° Uses: Woodworking tools, right angle fixing and positioning, height and length measurement Package List: 2 x Positioning Ruler 4 x Positioning Block 4 x Right Angle Screw Rod 4 x Plastic Handle 4 x Gasket Note: Be careful not to work under high temperature conditions. Package List 2 x Positioning Ruler 4 x Positioning Block 4 x Right Angle Screw Rod 4 x Plastic Handle 4 x Gasket