Item Type: Adjustable Sliding Ruler_x000D_ Material: Aluminum Alloy_x000D_ Measurement Range: Approx. 40cm / 15.75in 1Accurate Positioning: Measure angles easily and accurately with this versatile carpenter combination angles ruler, ensuring precise and efficient craftsmanship. 2Aluminum Alloy Material: Made of sturdy and durable aluminum alloy for long lasting use, high strength, not easy to damage and crack. 3Measurement Range: With a measurement range of approximately 40cm (15.75in), this ruler can handle a variety of carpentry projects. 4Multiple Angles: This ruler allows you to measure 90 degree and 45 degree angles, perfect for precise cutting, marking and layout tasks. 5Multifunctional Tool: Not only can this ruler measure angles, but it can also be used as a depth gauge, making it a versatile tool for any carpentry task. 1 x Ruler