A tool consisting of a (typically double-headed) steel rod whose ends are bent at right angles to face in opposite directions, used to turn screws where there is too little space for a conventional screwdriver.
Origin
1970s; earliest use found in Tools & their Uses.
Definition of offset screwdriver in US English:
offset screwdriver
noun
A tool consisting of a (typically double-headed) steel rod whose ends are bent at right angles to face in opposite directions, used to turn screws where there is too little space for a conventional screwdriver.