Makita 5-1/2 in. Drill Bit Extension 7/16 in. Hex Shank
Set screw design ensures a tight connection in the most demanding of applications
Attaches to 7/16 in. 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 in. capacity chucks