• Removes broken and damaged threaded studs fast.• Fits studs from 6-12mm(1/4"-1/2").• Suitable for use with 1/2"Sq and 3/8"Sq drive air impact wrench.• Works effectively on broken, rusted, stripped and smooth studs.• Carbon Steel casing with Chrome Molybdenum jaws.Removes broken and damaged threaded studs fast. Suitable for use with 1/2"Sq and 3/8"Sq drive air impact wrenches. Works effectively on broken, rusted, stripped and smooth studs. Carbon Steel casing with Chrome Molybdenum jaws.• For use with 1/2" and 3/8" impact wrenches. • Fits studs from 6-12mm(1/4"-1/2"). • Carbon Steel casing with Chrome Molybdenum jaws. • Works effectively on broken, rusted, stripped and smooth studs. • Model No. AK7182Technical Specification:Capacity: 6-12mm(1/4"-1/2")Drive: 1/2"Sq and 3/8"SqNett Weight: 0.66kgDimensions: Length: 40mm x Height: 110mmWeight: 0.694KgWarranty: 1 year