[Product material]: The measuring ruler is made of aluminum alloy,with high hardness,light weight,corrosion resistance,rust prevention and other characteristics. [Product Design]: Two measuring rulers with scales and graphics are spliced into a common measuring tool.The minimum scale is mm,and the scale is 112 mm (4.4 inches).The ruler body is thickened.One ruler can be used for multiple purposes.It can be scribed.It can measure 45 and 90 degrees.It is easy to disassemble and easy to carry. [Product features]: The surface of the measuring ruler is anodized,with high surface hardness and wear resistance,which helps to maintain the accuracy of the scale.It can be used as a carpenter's measuring tool and square,with simple operation,and has the common functions of measurement,correction,marking and other . [Applicable scenario]: suitable for DIY,engineers,and decoration workers.It is a necessary measuring tool for workers in the wood industry.It is suitable for round materials,three-dimensional workpieces,square wood,pipes,etc.If someone around you is keen on DIY,this multifunctional multi-angle measuring ruler will be the best gift. Colour:Black Material:aluminum alloy Package Contents: 1 x multi-angle measuring ruler 2 x hexagon screw 1 x Hex Only the above package content,other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.