Feature 1Excellent Aluminum Alloy: This marking ruler is made of excellent aluminum alloy, which is strong and durable, not easy to wear, and has a long service life. 2Anodized Surface: The surface of this ruler is anodized to prevent color fading, and the laser processed scale is clear and easy to read. 3Threaded Holes: This scribing eating ruler has threaded holes that can be configured with T straight limiters for both left and right ends of the ruler, both of which can be installed. 4Chamfering Rounding: The edges of the full ruler are chamfered and rounded, no incisive corners, which can prevent scratches. There is also a hanging hole design, easy to store. 5Wide Application: This ruler is versatile and can be used by engineers, carpenters, student drafters and other professionals.Item Type: Scribing rulerMaterial: Aluminum AlloyColor: BlackUse: Widely used byengineers, carpenters, students of drafting and other professionals. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Scribing Ruler1 x Limiters1 x Wrench4 x Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.