Multifunctional 2-in-1: T-shaped positioning combination angle ruler, Punching positioning, Angle marking, Horizontal calibration. All-aluminum alloy is thickened and durable: Selected materials are waterproof, moisture-proof and rust-proof, Clear scales are wear-resistant and long-lasting without fading. Two kinds of health arts are clear and wear-resistant, Newly upgraded three sets of adjustable positioning blocks, Positioning is faster and more accurate, Marking positioning can be freely adjusted, Quick and accurate drilling/nailing/marking. Auxiliary leveling, Dual-axis horizontal bubble, Auxiliary calibration of horizontal and vertical. ABS knob to adjust length/angle, Freely adjust the measurement length and angle. Foldable anodized ruler body, Easy to store and corrosion-resistant ruler body, The font is clear, wear-resistant and long-lasting without fading. Colour:Black Material:Aluminum Alloy Size:35cm Package Contents: 1 * High-precision angle 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.