Features Versatile Measuring Range: Achieve precise measurements with a 0-360° angle range and a length capacity of up to 300mm, perfect for various woodworking applications User-Friendly Display: The large LCD screen provides clear and easy-to-read measurement data, ensuring accuracy for all your projects Durable Construction: Crafted from high-quality aluminum alloy, this ruler withstands wear and tear, featuring laser-engraved markings that last for thousands of uses Innovative Notch Design: Includes a built-in stopper that allows for quick and accurate marking, preventing slips and ensuring consistency in repeated measurements Dual-Sided Scales: With metric and imperial markings on both sides, this ruler caters to all your measurement needs, making it an essential tool for any carpenter or DIY enthusiast Features: 1、Suitable for woodworking scribing, etc. 2、Made of aluminum alloy material, and resistant 3、The ruler has movable angle backing and fixed angle backing, easy to use 4、T-300 effective scale is 280mm, T-400 effective scale is 380mm, two specifications can meet different needs 5、Multifunctional line scribing tool, a good helper for carpenter Specification: Item Type: Hole Ruler Material: Aluminum alloy Optional Style: T-300, T-400 T-400 Length: Approx. 400mm / 15.7in T-300 Length: Approx. 300mm / 11.8in Package List: 1 x Hole Ruler Note: New‑style and old‑style are shipped randomly Package List 1 x Hole Ruler