BGS 7004 7 Screw Extractor 12.5 mm (1/2") Drive for damaged internal Hexagon

for dismantling screws with defective internal hexagon socket screw heads for safe loosening of the drive profile that can no longer be operated or is damaged special, counterclockwise cutting thread with conical shape | for manual operation size: 7 mm | length: 78 mm | drive profile: internal square | drive profile size, metric: 12.5 mm | drive profile size, inch: 1/2" material: chrome vanadium steel | surface finish: black, phosphated, Manufacturer: BGS