43805 Irwin Hex Shank Drill Extension,5/16"

Irwin, Type: HEX SHANK DRILL EXTENSION, AUGER DRILL; ITEMS/FEATURES EXTENSION MINIMUM HOLE DIAMETER WILL FOLLOW THROUGH 11/16 INCH, HEX KEY, HEAVY DUTY DOUBLE SET SCREW; HEX tool end & Straight mounting end, Size: 5/16" TOOL END; 23/64" MOUNTING END; 18" OVERALL LENGTH