... Pull out steel wire then inserted into the mouth of pipe , in case of difficult stretching into or not, ... full water in the pipe, the object can be crushed . (Blending of water that washed away after crused, drain cleaner ) , in case ... same time, you can hitch out the unbroken object, drain cleaner completed .4,After used, the dirty steel wire will ... . Update Date:2011-6-22 04:48:14 drain cleaner tool