Features: Achieve precise woodworking measurements with this aluminum alloy height gauge, designed for routers to deliver ±0.5mm accuracy in height and depth adjustments. Crafted from aluminum alloy with a compact design, this multifunctional tool combines a foldable structure, high contrast markings, and wide measurement ranges for workshop use. Ideal for professional carpenter, furniture makers, and enthusiasts requiring meticulous calibration for cabinetry, flooring installations, or detailed woodcraft projects. Simplifying height adjustments, router setups, or joint cutting tasks in workshops, home garages, or construction site with its lightweight portability and slip resistant grip. The integrated measurement systems ensures long term precisions for repetitive tasks, while its double color finish enhances visibility in low light conditions. Specifications: Component: Aluminum alloy Size: about. 10x6.7cm/3.94x2.64in Package Includes: 1pc Height Gauge note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.