Materials: the scale is made of stainless steel with good resistance and oxidation resistance; It is also has anti-rust and acid-resistant, safe and reliable to use Accurate operation: 1 mm, 0.5 mm, 0.25 mm each scale position, has fine-marked holes and grooves, making the operation more accurate. Multi-functional ruler: this multi-functional ruler can scribe horizontal line, vertical line, long line, short line, parallel line and right angled line, satisfying your marking needs Easy to use: flexible and easy to operate, let the scribing do whatever you want, satisfy most of the carpenter square woodworking scribing needs 90 Degree shape: the 90 degree shape holds it snugly in place while the two-scale surfaces let you mark and measure on the top, edge, and corners simultaneously; There are even two vertical end scales for drawing precision parallel lines relative to the edge of your work Colour:Silver Material:stainless steel Package Contents: 1 x 0 - 200 mm Scribing ruler 1 x 0 - 300 mm Scribing ruler Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.