BEETRO Multi Angle Measuring Ruler, Angle Template Tool, Aluminum Alloy Metal Angle Woodworking Ruler for Construction

BEETRO 6-Sided Multi Folding Angle TemplateTool, Aluminum Alloy Measuring Angle Ruler This ruler is handy for carpentry, wood,construction tile and more. ? How to use it?      1. Loosen the screws.      2. Take arms apart.      3. Place arms in the desired positions.     4. Tighten screws and make your markings. ?Specification:      Color: Black      Measurement: 5 inch/120mm x 6 side      Diameters of the 5 hole templates: 25/40/45/55/75mm.      Material: 5mm Aluminum Alloy      Measurement Accuracy: 1mm      Measurement System: inches imeters ? Package Includes? 1x 6-sided Angle Measuring Tool