产品描述：
该款套筒组是采用铬钼钢板材质，经过激光雕刻，大小不同可满足您不同需求。
符合:标准GGG-W-660A。
注：具体参数请参见下文或致电咨询！
The sockets are manufactured from the highest quality chrome molybdenum steel which is clearly laser etched with the size for easy and rapid identification. Tough, impact-resistant carry case.Conforms to:
Metric DIN 3129, Imperial SAE USA Federal Standard GGG-W-660A.
