Note: The socket is a small wrench, which is used for external hexagonal screws or hexagonal nuts.
The sleeve sizes are 1.7MM, 2.0MM, 2.5MM, and 3.0MM.
It is the distance between the opposite sides of the external hexagonal screw head or hexagonal nut.
Select The sleeve size should be measured across the opposite sides of the corresponding screw or nut.
It is not the thread diameter of the screw.