ITEM NAME:3Pcs Socket Adapter Set Hex Shank to Impact Driver Drill Bits 1/4 3/8 1/2 Inch.Hex Shank Prevents Stripping During High Speed Drill Operation. 3 Pcs x Hex Socket Bits. 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.
