It corresponds also to the flushing tool, the big minus screw of the battery.
Correspondence designation: +1 · +2 · -6.0 · -8.0. Application: Tightening and loosening of a screw, also, can open soft-drink cans. Battery cap opening and closing. Colour: Silver. Product size: Vertical 95 mm × width 36 mm × height 2 mm. Weight: 18 g. With nail file. Heat treated.
Actual size: 3.7 x 0.1 x 1.4 inches. Weight: 0.64 ounces