Ruler 30 cm, dimdata LP-300

Ruler 30 cm, Dmdata the PL-300. Has a clear millimeter scale divisions, 300 mm method of application of the scale: the tampon is made of polystyrene, resistant to deformation, the special round hole in the case allows you to hold the ruler suspended vertically, so that it does not take up much space when storing individual packing transparent dimdata.