3" or 4" "B" Style Root Cutter for "B" Rods Category_Default Category Products Hydro Jetting Tools Vacuum Equipment The S906M1 AK is Pryor Tools' Category_Default Category Products Motors and Tap Cutters Hydraulic Root Cutter Motors The S906M1 AK is Pryor Tools' flagship motor To use it just connect it up to your fiberglass poles and lower into the pit or place near the outfall They connect right up to your “B” rods with round couplings and are an aggressive cutting tool with flat spiral steel blades with cutting edges on the front and back so they cut in both direction Each of these Root cutters is 6’ long also and made of ¼” spring steel