Multiple drawing methods can be used for layout design and line drawing, making drawing operation more accurate and strictly controlling every detail Carefully designed, two measurement methods can measure the height and depth of wood The positioning rod is made of high-quality, high-temperature quenched, wear-resistant, and impact resistant. Can easily draw the center of a circle Product Name:45/90Scoring Assistant Product usage:45/90line drawing, circle center drawing, depth measurement, etc Colour:Red & Silver Material:Aluminum alloy Package Contents: 1 * Line Gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.