Features and Benefits- Extra thin wall design
- Forged from Chrome-molybdenum alloy steel for long life
- 3" extension included
- Packaged in a blow molded case
Set includes SAE sizes: 3/4", 13/16", 7/8", 1" and 1-1/16", Metric sizes: 17mm, 19mm, 21mm, 22mm and 23mm.