The intersection of the two tongs must be soft and solid. The tightening of the junction makes the tongs tighten and unusable When shopping, look closely at the winning blade. Avoid purchasing it if you see it. This tool is like many other tools. So be sure to scrutinize them carefully in the type and type of gender. Otherwise, your tool will be no different from the sugar breaker When working with the wire, be aware that ordinary insulating wires can only handle voltage up to 220V. If you need to work with higher voltages, you should use its VDE Insulated type. In Grip Things like Crows, Battles and Prayers, and even narrow tail, pay close attention to their Grip quality