The threading aid is steel with high hardness, wear resistance and extremely long service life Flexible pulley and fast threading, not easy to get stuck, improve your work efficiency and save time The antislip serrations on the threading aid can quickly clamp the wire box, making it more stable This auxiliary tool is small in size, suitable for electricians to carry around, and can help electricians to complete tasks such as threading and feeding This auxiliary tool is suitable for all kinds of junction boxes and distribution boxes, Manufacturer: Msioytog