Item No.: H45B577

.Each of screw extractors are crafted from high-quality

chrome moly steel construction for ultimate toughness;

.Each driver has reverse spiral flutes for maximum gripping；

.No matter if the bolt is stripped, broken, or rusted, our nut-driver set has the size that is perfect for the job, and

simple but effective design is a snap to use;

.Each driver has a standard 1/4" hex compatible with standard impact drivers, drills, and driver handles;

.Size:1/2",7/16",3/8",1/4",3/16",8mm,10mm.