1 x Miter Gauge Fence. Adjust angle can be 0-70°, up to 70 angles, wider using range. CNC wire-cut processing gear rack, one tooth one angle, more precision without shaking. With horizontal compensation device. Quick positioning at the bottom of common sizes(0°, 22.5°, 45°, 67.5°) 5. With scale magnifier, easy to set and read, can be removable. Extended 850mm: The main body length is 500mm, can reach 850mm. High Precision Fine Turning: High Precision Fine Turning, with a minimum adjustment accuracy of 0.002mm. Metric(mm) and imperial(inch) Scale: Double-sided scale, free switching. Can be cut without measuring and drawing lines. Inspect To examine or check for defects or problems. Right angle horizontal and safety clearance The requirement for a horizontal right angle and a minimum safe distance between moving parts and surrounding areas. Start zero setting The process of setting the initial position or reference point for the machine or tool. Positioning the extension crosscut fence The process of aligning and securing the extension crosscut fence to the main fence. Fine adjustment knob A control knob used for making precise adjustments to the machine or tool. Use of positioning pins The method of using pins or alignment features to ensure accurate and consistent cuts. Making a Sub Fence.