Features: The rotatable ruler is suitable for: Practical tools for engineers, architects, students, draftsmen, artists! Expert quality, anodized aluminum, imperial and angle markings. Adjustable T-head for angle marking and cutting. Specification: Size: 65*37cm Material: Aluminum alloy Package Included: 1pcs * 2 in 1 Drilling Positioning Ruler. Note: Please allow 0.5-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! .