Principle of Scaffold Ratchet Podger Spanner 21mmPosted by Sophie Li on July 4th, 2019 Scaffold ratchet podger spanner 21mm is used to rotate bolts or nuts placed in a narrow or difficult to reach position. The scaffold ratchet podger spanner 21mm is rotatably coupled to the end of the operating rod. The ratchet wrench contains a weight that is connected to the operating rod. The weight slides along the length of the lever. A front weight carrying portion that blocks the weight collision is provided on the operating lever at the front of the weight. Alternatively, a rear weight bearing portion that blocks the weight collision is provided on the operating lever at the rear of the weight. Moreover, the operating lever can also have both a front weight bearing portion and a rear weight bearing portion.
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