A screw for adjust the degree and the other for free or fix the holder. i2.1a86JzFUJzFUD4" style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; height: 10607.9px; position: absolute; top: 0px; visibility: hidden; width: 1000.49px; z-index: -1;">.
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