Features Right angle ruler made of high quality aluminum alloy, rust proof and durable. Help draw straight lines in 90 degrees. The 90 degree ruler can be clamped to the box, picture frame, etc. to make it right angle when sticking. Precision manufacturing, precise angle. Small volume, easy to use. Features: Right angle ruler made of high quality aluminum alloy, rust proof and durable. Help draw straight lines in 90 degrees. The 90 degree ruler can be clamped to the box, picture frame, etc. to make it right angle when sticking. Precision manufacturing, precise angle. Small volume, easy to use. Specification: Material: aluminium alloy. Colour: red. Size: approx. 10 x 5 x 0.8 cm / 3.94 x 1.97 x 0.32 inches. Package weight: approx. 41 g. Package list: 1 x tool for angle templates. Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual colour of the item. 2. Please allow slight errors due to manual measurement. Package List