Combination Square 20 Inch 360 Degree Rotation Aluminum Alloy Sliding

Feature: \n 1. [Combination Square] The combination angle ruler allows for easy marking and quick positioning, simple to operate, suitable for various projects.\n2. [360 Degree Rotation] This combination ruler can rotate 360 degree, allowing comprehensive angle measurement and marking, both internal and external angles can be measured.\n3. [Aluminum Alloy Construction] The angle disc is made from aluminum alloy, integrally formed with fine workmanship, resistant to falling, wear and erosion.\n4. [Tightening Nut] The combination ruler features a freely adjustable nut design, allowing for easy movement of the ruler for measurement.\n5. [Dual Scale] The sliding combination angle ruler features dual scales of and imperial system, clear and easy to read, hard wearing and lasting. \n\nSpecification: \n\nItem Type: Combination Square\nMaterial: Aluminum Alloy\nRuler Thickness: Approx. 2.5mm / 0.10in\nAngle Disc Thickness: Approx. 36mm / 1.42in\nLength: Approx. 500mm / 19.69in\nColor: Black: