[DETAIL] Information: Color: Black / Silver / Blue / Red Material: Aluminum Alloy Readings: Metric or Inch Features: This triangle ruler serves multiple functions: it's a set square, protractor, line scriber and saw guide. -- Application: Great tool for carpenter, construction professional, roofer, DIY and more. -- Use: Suitable for determining and marking angles and making square cuts. -- High Quality: Aluminum Alloy Material, Electrophoretic Paint Process, High Hardness, Strong Toughness, Not Easy To Rust -- Clear Scale: Laser Scale, Clear And Wear-resistant -- Double-sided Data: Double-sided Metric And Inch Marking Lines To Meet Different Needs -- Easy reading: Permanent graduations with clear and easy-to-read numbers. -- Portable: Compact design, easily take to everywhere. Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding! 2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item. [ATTRIBUTES] - Hign-concerned Chemical: None - DIY Supplies: Woodworking - Brand Name: XMSJ - Hign-concerned Chemical: None - DIY Supplies: Woodworking - Brand Name: XMSJ - Origin: Mainland China - Certification: None - Material: Aluminum Alloy - Type: Metric System - Type1: Inch system - Color: Silver, black, red, blue - Name: Aluminum Alloy Triangle Ruler - Function: Carpenter tool - Function1: Woodworking Tools - Function2: Measuring tools - Function3: Gauges