K-Tool (KTI27904) 4mm x 3/8 Drive Metric Hex Bit (EA)

Features and Benefits:

• Manufactured from chrome vanadium steel
• Heat treated for additional strength and durability
• Also available in a set reference KTI27970
• High polish finish resists against rust and corrosion
• Engraved with part number and size for easy identification
• For use with 3/8" drive tools