Impact Drill Socket Adapter Converter Set For To 1/4″ 3/8″ 1/2″ Sq. Drive Driver
Hex Shank Prevents Stripping During High Speed Drill Operation. 1/4" x 1/4" x 50mm--1/4 "shank can be converted into 6.35 mm square. 3/8" x 1/4" x 50mm--1/4 "shank can be converted into 9.53 mm square.