Feature:1. CORROSION RESISTANT MATERIAL: The 90 degree square ruler is made of excellent aluminum alloy with anodized red surface machined by numerical control, rust resistant, durable and corrosion resistant2. ACCURATE SCALE: A scale engraved on the side of the central detector scale is accurate, durable and easy to read, useful for measuring square jobs3. ACCURATE MARKING: With an L ruler, you can draw perfect horizontal lines while sliding the ruler along the working edge4. REASONABLE AND PRACTICAL: Woodworking ruler has reasonable structure, easy to use. Adopt exquisite workmanship, lightweight and practical5. APPLICABLE SCENARIO: Woodworking marking ruler is often used in woodwork and is also important when you make your own furniture. Dimension can be accurately measured, the proper right angles obtained, and fitted more tightlySpecification:Item Type: Mini Small Square Center Finder ToolMaterial: Aluminum alloyColor: RedApplication: Used for woodworking tools.Package List:1 x Mini Small Square Center Finder Tool