Features inch and metric scales for easy measurement conversions can measure length (0-35cm/0-13.7 inches).The slider has an angle scale on it, which allows you to easily adjust the angle you need for drawing angles and rough measurements by turning the slider. The adjustable woodworking ruler is made of aluminum alloy ,which endows this product with excellent quality.The angle finder tool is both and sturdy. The angle protractor is not an ordinary angle measuring tool. It has multi-angle scribing function, By unscrew the nut in the desired position, you can quickly and accurately identify angles and draw straight lines for setting bevels, drawing radial lines, measuring and marking anglesand the T-square is foldable for easy storage. Designed with two hanging holes for easy hanging. The scale line of this Woodworking Scriber Marking Line Ruler is manufacture by laser engraving technology, which makes the scale especially clean, accurate and . The numbers and scales on the T Carpenter Square Ruler can be clearly displayed in different environments. Itand#39;s suitable for engineering, angle measurement, drawing, architectural design, length measurement, designers, artists and engineers. Colour:As Shown Material:Metal Package Contents: 1 * scale ruler set Only the above package content, other products are not included. Note: Light reflection 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.