Bits are machined in USA from S2 alloy steel to increase tool life and strength.
Tips are machined to make a precision fit and heat treated to 57-60 HRC.
Bits have blast finish and rust preventative oil dip to increase durability...
Sockets are CrV with mirror polish finish.
Bits are S2 finished with zinc phosphate to prevent corrosion.
Bright chrome square drive holders.
Made of S2 Steel Impact Quality.
Limited Lifetime Warranty.