The reported event could be confirmed, since the device was returned and matches the reported failure.The device inspection revealed the following: the returned screwdriver with the self-holding feature shows normal traces of use.The device was received with the assembled condition and we can disassemble and assemble easily.The received sleeve shows normal traces of usage and any further visual damage was not found.The breakage surface shows the typical structure of a brittle fracture, due to a bending overload.To prevent the bending, the device is laser-marked with the printing ¿do not lever¿.The appearance of the breakage shows that during screw insertion high bending forces were applied.A review of the device history for the reported lot did not indicate any abnormalities.No indications of material, manufacturing or design related problems were found during the investigation.The appearance of the breakage surface indicates a (forced) brittle breakage of the screw driver due to overload, most likely by bending stresses where it is clearly mentioned that ¿do not lever¿.A review of the labeling did not indicate any abnormalities.Based on the above facts the root cause of the reported event is related to inadequate handling by the user.If any further information is provided, the complaint report will be updated.
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