Standard Flat Root Saw Blade Only Category_Default Category Products Manhole Tools Fiberglass Poles 39” is the most common THV 8 39” is the most common and in some cases 48” There is a slip on type wheeled skid that can really travel down the line with 8 polypropylene wheels that reduce friction and thus saves valuable water Our standard flat root saw blades are made of 1 8” alloy heat treated steel for increased flexibility when you need to protect your sewer lines or might have doubts about what you are getting into These connect up to our hub or arbor and provide great cutting and ripping of roots with the laser cut teeth