Specification: Material: aluminum alloy 2 Units of measurement: CM and Inch 12 Folding ruler, single section length: 12cm/4.72'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thank you for your understanding. Package Included:1 X Folding Ruler Product Description: Durable Aluminum Alloy Material: This multi measuring ruler -angle is made of premium 5mm aluminum alloy, won't break or rust, more durable and sturdier than plastic. Say no to your flimsy layout tool. Multiple uses: The universal layout tool comes in handy for creating bull's eyes, arches, plumb cuts and any project you can think of, works great on millwork, brick, tile, wood, glass, stone, laminate, construction and engineering projects and much more. It's a perfect jig tool for carpentry, masons, craftsmen, DIY enthusiasts, DIY Sturdy metal construction: premium aluminum alloy will withstand years of abuse. wear, tear and constant use. You'll love the glossy black finish of your tool box. Metric and Imperial Units: This allows you to take measurements in inches or centimeters. Thanks to the laser engraved inscriptions, you will be able to read the measurements clearly for years. They won't smudge, fade or fade. Upgraded Angle Measuring Ruler: This angle ruler has 6 pieces and metal knobs with a hole opener. tile positioning, you can adjust the six metal knobs to create the shape you want precisely, then find the position to drill the right hole. With 6 foldable sides, users can easily create and measure special angles or shapes with the angle finder to improve work efficiency. Product Feature 1. Made of aluminum alloy, anti-drop, durable. 2. Laser calibration, high precision, clear reading. 3. Can be freely deformed and used in various ways. 4. Can be used for ceramic tiles, glass, marble, wood planks. 5. This product is mainly used for opening and positioning tiles, which is very suitable for laying tiles.