Feature: 1. It is made of aluminum alloy, high-quality materials can be used for a long time. 2. The woodworking measuring ruler is easy to use, laser marking, and clear reading. 3. The square angle design on the T can measure 45 degrees, 90 degrees, 135 degrees, and draw lines. 4. Ergonomically designed to reduce pressure on the elbow or wrist. 5. The surface is frosted, anodized, wear?resistant, rust?proof, and feel comfortable. Specification: Item Type: Carpentry Ruler Material: Aluminum Alloy Weight: Approx. 222g / 7.8oz Purpose: Carpentry Ruler, Carpentry Measuring Ruler. Package List: 1 x Carpentry Ruler