套筒扳手
使用寿命长
The wrenches are made of Premium chrome vanadium steel with a greater density at the points of the highest pressure, and such dimensioning and manufacture only increase their extreme power and durability.安全切割
凭借其专用的安全切割技术，扳手在螺钉或螺母外缘的表面（而非直接在其边缘位置）均匀施力，从而防止对螺钉和螺母外部和边缘造成损坏。创新设计
先进的设计保证了Unior扳手将力精确高效地作用于螺栓、螺母上。