1 inch Driver Bit - 20pc

The Montana Brand driver bit line is cryogenically treated which adds to the mechanical properties of the bits to provide less tool failure due to cracking, increased life, increased torsion strength, and increased rust resistance. Product Features & Benefits: Made of S2 modified steel Precision machined for a precise fit and reduced wear Heat treated for longer life Made in the USA   WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.