Specification Brand : XMEYE BulletPoint1 : DUAL LAYER DESIGN: This double triangle ruler adopts double layer design, with 9mm thickness, each with metric scale on one side and imperial scale on the other side respectively, to meet your different needs. BulletPoint2 : MULTIFUNCTIONAL: This triangle square rafter tool is multifunctional to keep your projects square and level, providing you with accurate, high accuracy results for architectural drafting design, carpentry and more. BulletPoint3 : MATERIAL: This woodworking square ruler is made of excellent aluminum alloy material and is anodized for high hardness, rustproof and erosion resistant. BulletPoint4 : HIGH ACCURACY: This accurate carpentry square tool has a clear calibration, which can reduce errors and ensure high accuracy measurements. BulletPoint5 : WIDE APPLICATION: This aluminum alloy triangle ruler has a wide range of applications and can be used to hold boxes, picture frames, etc. to assist in the square making process. Color : Blue CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 7665720090484 ItemDisplayDimensions_Length : 4.45 inches ItemForm : Refer to description ItemName : Triangle Ruler, 4 Inch and 6 Inch Aluminum Alloy Detachable Double Carpenter Square, Highly Accurate Carpenter Tools for Measuring, Scribing, Drawing ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 27 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemShape : Refer to Description ItemTypeKeyword : carpentry-squares Language : english Manufacturer : XMEYE Material : Aluminum MeasurementAccuracy : 0.1mm ModelNumber : XMEYEg4w5hgxzb6 NumberOfItems : 1 PartNumber : XMEYEg4w5hgxzb6 Pattern : Refer to description ProductDescription : Item Type: Double Triangle Ruler Material: Aluminum Alloy Single Triangle Thickness: Approx. 9mm / 0.35in Red Size: Approx. 100 x 100mm / 4 x 4in Black Size: Approx. 150 x 150mm / 6 x 6in