Spring Loaded Ball Bearing on Head Holds Sockets Securely.Quality is a guarantee with this 3 piece sturdy and durable solid steel set designed to withstand torque compression under most standard use situations.
The exterior anti-weathering coating provides extra protection from damage against elements and substances such as oil and fluids that may come in contact with the extension bars during use with repairs such as in the automotive field.
Hex shaft saves time changing out of Power Drill.
Saves time over traditional hand operated nut drivers.