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当你在狭窄的范围内用扳手安装螺栓时,很容易使扳手在螺栓上滑脱。使用如图所示带弹簧夹的扳手,就能避免在螺栓上滑落。利用薄弹簧钢片,制成
When you use a wrench to install the bolt in a tight range, it is easy to get the wrench on the bolt. Using a spring-loaded wrench as shown, it is possible to avoid slippage on the bolt. Made of thin spring steel