Aluminum Alloy Rafter Triangle Ruler Protractor Square Carpenter Measurement Tool

1、Made of high quality aluminum alloy material exquisite workmanship high hardness strong toughness solid and durable. 2、Clear scales are wear resistant high accuracy and easy to read. Conversion formula at the back for convenient calculation. 3、Compact structure and light weight flexible and comfortable to use. 4、Surface polished treatment corrosion-resistant and rustless beautiful and practical. 5、Special process grinding smooth edge and will not hurt your hand.