Features [Scope of application] The woodworking 90 degree ruler is designed to be fixed on boxes, photo frames, shelf cabinets and outer corners, etc., to assist in squaring during gluing. [High-quality material] The woodworking right angle ruler is made of aluminum alloy, which is strong, corrosion-resistant and has a long service life. [Sturdy and durable] 90-degree right-angle corner clamps keep the joint at a 90-degree angle. No matter you simply glue or use fasteners, it will not damage the fragile cutting edge. [Necessary tool] This is a necessary measuring tool in woodworking work. [Fine workmanship] The positioning ruler adopts anodized surface, the scale is clear and easy to read. Specification: Condition: 100% Brand New Item Type: Right Angle Ruler Material: Aluminum Alloy Color: Red Type: Inch Ruler Measuring Range: 0-100mm / 0-3.9in Measurement Accuracy: 0.05mm / 0.002in Package List: 1 x Right Angle Ruler Package List