How to unscrew this square screw?

square slot combination screwdriver   Dan square slot combination screwdriver

Square Tubular

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lottery sambad 3 2 24 RS PRO square screwdrivers feature chrome vanadium molybdenum steel blades with a matt chrome finish, offering excellent durability and corrosion resistance  This multi-bit screwdriver nut driver is a perfectly shaped Combo-Tip driver Combination-Tip Drivers are designed for maximum contact with combination