The utility model is suitable for the technical field of hardware tools, and provides a pair of tool pliers, which comprises a first clamping body, a second clamping body, a padlock and a catching groove, handles are connected to the first clamp body and the second clamp body, and the first clamp body is hinged to the second clamp body; the buckle lock is matched with the buckle groove, the buckle lock is arranged at the position, close to the first clamp body, of the
handle of the first clamp body and movably connected with the
handle of the first clamp body, and the buckle groove is formed in the second clamp body and located at the arc position with the
hinge point of the first clamp body and the second clamp body as the circle center; and when the tool pliers are closed, the buckle lock is buckled with the buckle groove. Due to the fact that the padlock is arranged at the position, close to the first clamp body, of the
handle of the first clamp body, and the catching groove is formed in the arc position, with the
hinge point as the circle center, of the second clamp body, when the tool pliers are closed, a user only needs to operate the padlock with the
thumb, the padlock and the catching groove can be buckled, and convenience of single-hand operation is particularly considered in design.