Freesoya Folding 12-Angle Ruler, Multi-Angle Measuring Tool, 360-Degree Freely Adjustable, Aluminum, Compact, Product: Free-Scoya, 12-Angle Ruler, Foldable, Multi-Angle Measuring Tool, 360-Degree Freely Adjustable, Aluminum, Compact. [Features] Convenient movable free-skoya 12 rulers can be linked together to allow for multi-angle measurements. Screw on the muscles to secure the angle Multi-angle ruler for measuring angles and shapes, it can be used for a variety of purposes. With inch and millimeter markings, it is designed to be folded for compact portability. (Specifications) Main Material: Aluminum Alloy; Size: Plate Length: 6.8 inches (17.3 cm); Fixed Circular Inner Diameter: 0.8 inches (2 cm); Measurement Range: 360 degrees; Measurements in inches and millimeters. Size when folded: Height 6.1 inches (15.5 cm), Width 6.7 inches (17 cm); Deepa Original: Each product is carefully inspected and packaged. If you have any problem with the product, please contact us immediately after 30 days of purchase, we will provide a refund, exchange, etc. We will try our best to serve you. All products listed are aftermarket and replaceable. Please be aware of PL insurance: Our company has been subjected to PL insurance (manufacturing liability insurance), so please purchase with confidence. Please note that if you purchase from other than Deepa, you will not be able to receive your insurance.