Attaches to 7/16" hex shank drill bits to allow deeper drilling in wood. High strength steel construction for long life. Set hex screw ensures a tight connection to the bit. For use with drills that feature 1/2" capacity chucks.

• CONVENIENCE - Attaches to 7/16" hex shank drill bits to allow deeper drilling in wood
• DURABILITY - High strength steel construction for long life
• CONTROL - Set hex screw ensures a tight connection to the bit
• COMPATABILITY - For use with drills that feature 1/2" capacity chucks
• INCLUDES - 12" Drill Bit Extension, 7/16" Hex Shank