Features and Benefits: - SuperKrome finish provides long life and maximum corrosion resistance
- Through-hole design: simply pop the old bit out and insert a new replacement bit
- New bit holder design is 9 times stronger and helps prevent the bit from slipping out of the socket while working
- High strength, S2 steel bits
- Lifetime warranty
5 piece set is made in the U.S.A. Bit sockets feature SK's high polish SuperKrome® finish, which provides for long life and maximum corrosion resistance. Through-hole design makes it easier to replace worn or broken bits. Bits are manufactured to rigid standards using high strength S2 steel. Sizes include: 5/16", 3/8", 1/2", 9/16" and 5/8" sockets.