4 piece set is 100% made in the U.S.A. Black coating retains more rust preventative compound than black oxide. All four extensions feature a ball retainer.
Features:- Black coating provides rust prevention.
- Ball retaining.
- Packaged in a plastic tray.
- Made in the USA.
- Lifetime Warranty.
- Includes: 2", 3", 5" & 10" Extensions
SK 46164 1/2" Drive 4-Piece Impact Extension Extension Set