Features: Get precise measurements every with our Aluminum Alloy Woodworking Square Size Measure Ruler - the perfect tool for any DIY enthusiasts or professionalwoodworker. Durable aluminum alloy, this 3D mitre anglemeasuring tool features clear engraving metric scales and two trapezoid shape holes for marking on wood panels. Features Frosted process, high hardness and durability. Clear to read, elegant appearance no need to turn over when measuring, just slide to mark around 45°, 90° or 135° For square: hollow/solid material with 45 degree Anglebefore cuttinglines. Positioning drilling, multihole size according to the required openingaperture 2~10mm, dovetail template dovetail dovetail process ancient dovetail connection. With its wear-resistant, antioxidationproperties and measurement capabilities, this woodworking ruler is an essential addition to any toolboxes. Specifications: Material: Aluminum Alloy Outer Plate Length: 215x73mm/218x75mm Purpose: Measuring and positioning auxiliary ruler Package Includes: 1x Square Size Measure Ruler note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.