General description The 300mm Combination Square is a versatile tool designed for carpentry work, featuring a stainless steel angle ruler with a built-in spirit level. This high-precision measuring instrument allows for accurate readings with both metric and inch graduations, making it ideal for various measurement tasks. Technical specifications Measuring range: 0-300 mm Material: Stainless steel ruler and zinc alloy angle bracket Usage Measures right angles, 45° angles, length, depth, and width Includes a built-in tip for easy marking without a pen Suitable for household, engineering measurement, housing construction, and more Other information Combines a bubble level for accurate balance measurement Features a spring screw and effective clamping system for easy removal and installation Durable and sturdy design for long-lasting use