To precise markings, this woodworking marker is graduated. Reversible scale for accurate measurement of values. The four vertices of the limit block are marked with angles, which can be drawn at multiple angles. Can be used on many materials, ceramic, iron, acrylic, wood, glass and more. Make your work easier. The scale is clearly visible and easy to measure. High precision, more professional. Marking ruler length: 330mm, made of aluminum alloy and stainless steel, practical, wear-resistant and long service life. Colour:red Material:Stainless steel + aluminum alloy Size: 33 x 3.9 x 1.8cm Package Contents: 1 x carpentry marking ruler 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.