高强度ABS尺壳，抗摔性能好，弹簧片采用65#锰钢，
弹力弹性使用寿命超过普通材料十倍；
尺带厚度为0.11mm，国标A级尺带；
图层采用环保、水性油漆，无毒。
High strength ABS the ruler shell, anti breaking performance is good, spring plate
by 65# steel, Elastic life of more than three times the ordinary material;
Ruler with thickness of 0.11mm, national standard A-level tape;
Layer uses the environmental protection, water paint, non-toxic. |
