》Can switch between fixed (straight line) and swing.
》The swing angle is 15°, so it can work even in narrow places such as corners.
》Color coding and large display, see the size at a glance.
》For assembly and disassembly of construction metal fittings and formwork hardware.
》Used to load and unload various industrial bolts and nuts; and can include screw locking nuts
》可以在固定（直線）和擺動之間切換。
》擺動角度為15°，因此即使在角落等狹窄的地方也可以工作。
》彩色編碼和大尺寸顯示屏，一目了然地看到尺寸。
》用於建築金屬配件和模板硬件的組裝和拆卸工作。
》用於裝卸各種工業螺栓和螺母；以及可含入螺桿鎖固螺帽