Wera Tools - 897/4 IMP R SB Impaktor holder with retaining ring and ring magnetWera Impaktor holder for the absorption of extreme impulse peaks. Special torsion effect thanks to the double torsion spring. The Impaktor holder additionally holds long and heavy screws absolutely securely. This enables a rapid and dependable positioning of the screw. Ideal also for overhead work. Should, situation related, the magnet not be desired e. g. when working with metal, it can be removed from the screwdriving zone and thereby be