Professionals depend on Klein Tools' Flex Bit Extension when they need a longer drill bit. Perfect for drilling between walls or several rafters. For use with flex bits 9/16-inch (14 mm) and smaller.

• Connects to the end of a flex bit and extends the length
• For use with flex bits 9/16-Inch (14 mm) and smaller
• Connection diameter is 7/16-Inch (11 mm)
• Ideal in applications where additional drill bit length is required, such as drilling between walls or several rafters