: 1. Aluminum alloy ruler body/double-sided high-precision scale/precise positioning snap ring 2. Double sided clear scale, ink transfer printing scale 3. Anti drop, wear-resistant, to carry, thickened aluminum alloy ruler body 4. Precise height positioning, adjustable movable snap ring 5. Enlarge base is more stable, ABS large base Model: Isometric ruler note: The actual product may have slight color differences or differences, which does not affect use. size: 165mm Material: Aluminum ABS colour: A-red Package Contents: 2 x Equal Height 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.