Hitting screwdriver that allows to unlock seized or blocked screws.Technical characteristics:- Reversible (screwing/unscrewing)- Ergonomic rubber handleComposition:- 4 Philips bits: N°1 - N°2 - N°3 - N°4- 4 male bits 6 sides: 4 - 5 - 6 - 8 mm- 4 flat bits: 5 - 6 - 2 x 8 mm