brand new and high quality A protective ruler with a 12.5mm high baffle protects the hand from srratches Aluminum alloy oxidation treatment,lightweight design,suitable for office and home use The scale is in millimeters and can be used as a ruler Good for students and proffesionals such as architects, engineers, carpenters and other technical drawing usage Straight Ruler only,other accessories demo in the picture is not included. Specification: Material: Aluminum Alloy Size: 20cm,30cm,45cm Width: app.3.5cm/1.38in Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 1 x Straight Ruler