Material: Aluminum AlloyRuler Body Thickness: 2.6Mm Material: The Square Connector Is Made Of High Quality Aluminum Alloy With High Hardness, High Toughness, Wear Resistance, Oxidation Resistance And Durability. About 10 Kinds Of Multi-Functions: Drill Mount Square, Protractor, Dovetail Mount, Round Hole, Parallel Line, Vertical Line, Drill Bit Positioning, T-Shaped Tip, Ruler Angle 45/90. Par Exemple. Custom Color For Labels. Measurement And Transmission Of Angular Dimensions. Stop Gauge/Angle Mark Of 45 Degrees And 90 Degrees For Parallel Lines. Drill Size And Drill Guide. Wide Range Of Applications: Bevel Joinery Is Suitable For Processing Three-Dimensional Pieces Such As: Beams, Squared Timber, Square Tubes, Hollow Tubes, Solid Tubes, Aluminum Alloys, Wood, Stainless Steel, Marble, Etc. It Is A Great Gift For A Carpenter Or Plumber. Measurement Accuracy: The Wood Measuring Ruler Itself Has A Clear Reading, Easy To Read And Beautiful. It Is Not Necessary To Turn Around When Measuring. Simply Drag To Mark Left And Right 45 Or 90 Degree Angles. Functions: For 3D Marking - Measurement And Transfer Of Angular Dimensions - Stops 45 And 90 - Marking Of The Dimensions Of Parallel Lines - Determination Of The Size Of The Drill Bit Using A Drilling Template. He Is More Accurate Than The Other Rulers.