Features: - Extended 910mm: The effective reference data is 480mm without extension, and the reference data after extension is 910mm. The total length of the backer is 540mm. - 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. Instruction: 1. Inspect to examine or check for defects or problems. 2. Right angle horizontal and safety clearance: The requirement for a horizontal right angle and a minimum safe distance between moving parts and surrounding areas. 3. Start zero setting:The process of setting the initial position or reference point for the machine or tool. 4. Positioning the extension crosscut fence:The process of aligning and securing the extension crosscut fence to the main fence. 5. Fine adjustment knob:A control knob used for making precise adjustments to the machine or tool. 6. Use of positioning pins:The method of using pins or alignment features to ensure accurate and consistent cuts. 7. Making a Sub Fence:Users can make a wooden sub fence as required. Compatible with Hongdui HD-TB01 Miter Gauge Specifications: Product name: Miter Gauge Fence Material: Aluminum + Plastic Length range: 0-910 mm Angle range: 0-70 degrees Package included: 1 x Block 1 x Tenon