Ratchet wrench power for principle: for narrow or difficult to rotate close to the place where the bolt or nut ratchet wrench, and operating rod end can be rotated to connect. Included: weights in the rear of said operating rod collision with the rear block weights weights bearing parts. Moreover, the operating rod can both carry part of the front weights rear weights but also has some bearing. Ratchet lever is connected to the weights, weights along the length direction of the joystick sliding weights in front of said operating rod block weights collide with the front weights bearing parts.
襄阳德而尼自动化设备有限公司（Xiangyang German and Nepalese Automation Equipment Co., Ltd. points.）销售棘轮扳手，品牌包括力，玛他多，吉多瑞，世达等。
更新时间：2011-10-22 
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