Features and Benefits: - SuperKrome® finish provides long life and maximum corrosion resistance
- SureGrip® lock holds the socket on the extension
- Features 4 recess detents in socket drive square for quick attachment
- Made in the U.S.A.
- Lifetime warranty
3 piece set is made in the U.S.A., featuring SK's high polish SuperKrome® finish, which protects the tools from the harsh working environments found in today's workplace. SK's locking extensions feature a SureGrip® lock which holds the socket on the extension. This prevents the socket from remaining stuck to the fastener. Sizes include: 3", 7" and 15".