High Quality Material - Made of aluminum alloy material, which is wear-resistant, anti-rust, durable and not easy to . The surface is anodized. Clearly engraved metric graduations are accurate and easy to read. Tips: It is recommended to use it with a mechanical pencil. MANUFACTURING - The marking ruler is precise, versatile and easy to use. High hardness and durability. Precise Marking T-Rule - Accurate Marking Rule helps you draw perfectly horizontal lines as you slide the rule along the edge of your work. Finely marks holes and slots and marks precisely on , making woodworking ruler the perfect tool Tool: -marked holes on each reticle allow you to find a sharp pencil tip in no time or accurately line your with zero uncertainty and no eye strain Great for DIYers, engineers, woodworkers, , and home use. Portable Hole Ruler: . 275 x 115 x 3 mm (10.83 x 4.53 x 1.18 inches), easy to carry around. Color: Red Material: aluminum alloy Package Contents: 1 x Woodworking thread ruler 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.