Specification Brand : ZJchao BulletPoint1 : [ Stainless Steel] Constructed from anti- stainless steel, this protractor is sturdy and deformation-resistant, ensuring long-lasting durability for repeated use. BulletPoint2 : [Adjustable Arm Design] Two-arm ruler with a wing nut allows for easy adjustment and fixing, making measurement, drawing, and marking effortless and convenient. BulletPoint3 : [Wide Application] Versatile 2-in-1 design measures lengths from 0-10cm and angles from 0-180 degrees for various projects and tasks, ideal for craftsmen, designers, and engineers. BulletPoint4 : [Precision Etched Scale] Clear and accurate markings ensure precise measuring and drawing with etching technology, providing results for your projects. BulletPoint5 : [Engineering Tool Essential] for engineering, student drawing, architectural design, and various length measurements, this protractor is a must-have tool for professionals and hobbyists alike. ItemName : STAINLESS STEEL ADJUSTABLE ANGLE PROTRACTOR TOOL FOR VERSATILE APPLICATIONS ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 26 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : construction-protractors Manufacturer : ZJchao MeasurementAccuracy : 0.1mm ModelName : ZJchaoaxqk08pg2z ModelNumber : ZJchaoaxqk08pg2z NumberOfItems : 1 PartNumber : ZJchaoaxqk08pg2z ProductDescription : 1. [2 in 1 Design] This ruler can measure lengths from 0 to 10cm and angles from 0 to 180 degrees, providing versatile functionality for various projects and tasks. 2. [Precise Etched Scale] Utilizing etching technology, the angle finder ruler features clear and accurate markings for precise measuring and drawing. 3. [Adjustable Angle Protractor] The two arm ruler is adjustable, adjust the arm and fix with wing nut for easy measurement, drawing, marking. 4. [Stainless Steel Construction] Crafted from stainless steel, the protractor is anti rusty, sturdy and will not deform easily, ensuring durability for long lasting use. 5. [Wide Application] Suitable for engineering, angle measurement, student drawing, architectural design, length measurements, a versatile tool for craftsmen, designers, artists, and engineers.