Century Drill & Tool S2 star insert bits drive T40 star (Torx) head fasteners. Century publishes that they are made from premium S2 steel for a long tool life while driving common or mild steel screws or case hardened screws, and that they last 2X longer than standard screwdriving bits.

• T40 star (Torx) drive
• 1" overall length - insert bit
• Premium S2 steel for a long tool life
• Drives common steel, mild steel and case hardened screws
• Lasts 2X longer than standard screwdriving bits
• Century Drill & Tool no. 68440

Note: This is an S2 screwdriving bit. For standard and cordless impact drivers, Century publishes a separate impact-rated Impact Pro star bit line.