6PC HEAVY DUTY IMPACT DRIVER SET: 1.Industrial alloy steel 2.Meet DIN standard 3.This is good to drive rusted screws or more difficult and uneasily removed screws 4.Usa patent for impact driver handle 5.More than 10000 times of striking
6PC HEAVY DUTY IMPACT DRIVER SET: 1.Industrial alloy steel 2.Meet DIN standard 3.This is good to drive rusted screws or more difficult and uneasily removed screws 4.Usa patent for impact driver handle 5.More than 10000 times of striking