The socketheadwrench is particularly applicable to sockethead cap screws with smaller size and smaller moment.
本 实用新型特别适用于尺寸较小,所需力矩不太大的内六角螺钉。
2
The socketheadwrench has the advantages that one wrench can be used for two sockethead cap screws with difference sizes, thus reducing the number of the wrench;