Wera Impaktor 8755-9/IMP Bit-Check Pozi 9 Piece Set WER057684 The Wera 8755-9/IMP DC Bit-Check Pozi 9 Piece Set has an Impaktor holder with retaining ring and ring magnet in the chuck for a secure fit of the bits in the holder and 9 Impaktor bits.The Impaktor technology ensures an above-average service life even under extreme conditions thanks to a best-possible utilisation of the material properties and optimally designed geometry, particularly suitable for use with conventional impact drivers. Holder equipped with a ring magnet to easily hold longer and heavier screws, also ideal for above-head work. The rough diamond coating of the bits reduces the danger of any slipping out of the screw head due to the enhanced frictional resistance.Set Includes:1 x Impaktor Bit Holder 7 x Pozi Bit PZ2 2 x Pozi Bit PZ3 WER057684