4-Way Chuck Key 1/2" 9/16" 5/8" & 11/16"

• 4 Way Drill Chuck Key For Changing Drill Bits. 

• Great for changing drill bits. 

• Fits standard size drills. 

• From end to end it is approximately 3" (76 mm) long

• and approximately 1/4" (6 mm) thick in the center