This is a set of 1/2" drive 6 point deep impact sockets are for everyday use either by mechanics, technicians or engineers in rail yards, etc.
Unique inner profile will continue to hold where other sockets would fail even on severely worn nuts.
Manufactured from Chrome Vanadium Steel with a blackened finish for maximum durability.
Safety Note: Only impact sockets and accessories can be used with air or electric powered wrenches. NEVER use silver chrome vanadium steel sockets which can shatter and cause personal injury.