Features:<br> Precision-Parallelogram Design: Engineered with an innovative parallelogram mechanism that guarantees accurate center alignment every time.<br> Effortless Mortise & Tenon Centering: Eliminates guesswork for woodworking joints. The precision-machined parallel arms adjust seamlessly to material thickness, positioning the marking bar at the exact midpoint. Simply scribe both sides of the bar for flawlessly centered lines.<br> Instant Center Line Marking: Place the gauge on any wood edge, squeeze the sides, and let the self-centering bar instantly reveal the midpoint. Ideal for marking center lines on boards, dowels, or sticks with unmatched speed and accuracy.<br> Versatile Workshop Companion: Perfect for plate grooving, pin joints, assembly alignment, drilling reference lines, mortises, rabbets, and more. Crafted from durable stainless steel, this tool withstands heavy use while maintaining precision.<br> Notice:<br> 1. Actual color may be slightly different from the image due to different light effects.<br> 2. Please allow 1-3 cm deviation due to manual measurement.<br> Material: Aluminum + Stainless Steel<br> Weight: 420g-450g<br> Product Size: 10x15 cm<br> Package List: 1 Set Center Gauge