This quality stud driver set makes it possible to remove and / or install a stud without causing irreparable damage to the threads. Simply place the driver over the stud and turn in either direction with a wrench or ratchet. The internal rollers then apply pressure through the use of a cam mechanism and the tool grips and safely turns the stud.
This four piece consists of the following sizes: 6mm, 8mm, 10mm and 12mm
Includes a sturdy, plastic carrying case for convenient storage.