composite drain key

The 9 most common sizes on 1 wrench for sump plugs in oil sump and gearbox.
Drive: 9 sizes for square socket screws, 1 size for slotted head screws in oil drums.
Material: Forged chrome vanadium steel with chrome-plated surface.
Length 220mm.

Sizes: 6.8 - 8.7 - 9.5 - 10.5 - 11.5 - 13.0 - 15.2 - 16.5 - 19.7 mm