A tool assembly includes a first body, a connector and a second body. The first body has a first end and a second end. A slot is defined through the wall of the body and extends from the second end of the first body to the middle portion of the first body. The slot includes a first end having a first connection portion, and a second end having a second connection portion. The connector is mounted to the second body and has an outer threaded section. The outer threaded section is threadedly connected to either the first connection portion or the second connection portion of the first body to locate the first body at different angular position relative to the second body.