Abstract: A tubular pipe wrench for removing and replacing pipes in inaccessible locations includes a generally cylindrical head member having an internal passage large enough to pass the pipe to be worked on and having a cross-sectional configuration like a triangle with greatly rounded corners. A jaw member having teeth is loosely fastened in each of the three corners by bolts which pass through slots in the sidewalls of the head member. Concentric with the head member is a sleeve having ports for receiving the bolts and which maintains the relative spacing of the bolts even though they move radially in the slots. When a pipe is inside of the head member, a slight turning of the head member and sleeve in either direction causes the teeth of the jaw members to make contact with the pipe, moving the jaws into a position where they are wedged between the pipe and the flattened cam surfaces on the inside of the head. Further turning of the sleeve and head will turn the pipe.