尺带采用高级钢材，尼龙披覆耐磨处理，强力弹簧 使尺带伸展自如

尺壳采用高强度ABS塑料

卷尺尺钩有自动归零设置，以确保无论测量内部或 外部均从零开始

本品属易耗品.不属于世达终身保用范围

 编号                  尺长M                尺带宽MM

91333                  3.5                    16

91334                  5                       19

91335                  5.5                    25

91336                  7.5                    25