Abstract: A comfortable driving spanner has a holding portion; an engaging portion; and a pivotal portion for connecting the holding portion and the engaging portion thereby, the engaging portion being rotatable with respect to the holding portion for engaging with and driving a screw element. The holding portion has two bottoms and two lateral surfaces; areas of the bottoms are reduced from the connecting groove to a normal area with a predetermined width; in the normal area, the ration of the width of the bottoms to the width of the lateral surfaces is between 2/5 to 2/9.

Abstract: A pair of pliers includes two handles each have a hole defined in an end thereof and a pin is received in the two holes to connect the two handles. A connection port is connected to the end of each of the two handles and two jaws are pivotably connected to the two connection ports respectively. The jaws are able to be pivoted an angle relative to the handles so as to access an object in a narrow space.