加强涂脂尺带，耐磨性能比普通卷尺增强30%；
65#锰钢尺簧，0.13mm加厚尺带，伸缩自如；
全新ABS工程塑料加厚尺壳，具有抗强冲击的功能。
Strengthen the grease tape, increased wear resistance than ordinary tape 30%;
65# steel ruler spring, 0.13MM thick tape, retractable;
New ABS engineering plastic thick shell, has the function of strong impact.
