It is very convenient to carry with key holder type.
To a very small screw such as a camera. It corresponds also to the screw of the edgeless eyeglasses
There are four functions set. Package size / length: 130 mm Width: 60 mm Height: 5 mm.Package weight: 20 g. Material: Special steel. Corresponding screw: Hex lobe 2.8 mm, hexagon 2.2 to 2.4 mm, +) 00-0, (-) 1.8 mm.