General description This Mortise Gauge is a practical woodworking tenon gauge designed for precision marking and layout on joinery and other woodwork. It features a unique design with one nail on one side and two nails on the other, allowing for the drawing of single or double lines. Crafted from hard ebony and wear-resistant brass, this tool is built to last. Technical specifications Length: 6.4 inches Adjustment range: 0.2 inch - 4 inch Material: Ebony wood and brass Measurement allowed error: +/- 1-3 cm Installation The brass adjusting slider can be easily adjusted by rotating the screw knob at the top. Ensure the slider is firmly fixed on the guide rail by tightening the screws to prevent displacement during use. Usage Use the gauge to mark single or double lines on wood for precise cuts. Ergonomically designed handle facilitates smooth operation and comfort during use. Other information Color: as shown Package Contents: 1 x scribe tool Note: Light reflection and different