RYOBI introduces the Impact Rated Socket Adaptor Set (3-Piece). RYOBI Impact Rated Socket Adaptors are built to withstand the high torque and demand that comes with the use of an impact driver. They feature a 1/4 in. hex shank in order to easily switch within an impact driver. For more things RYOBI, visit RYOBI tools. com. Impact rated For use in drills and impact drivers Green band on bits makes it easier to find on the jobsite and in your toolbox Bits are 2 in. in L 1/4 in. hex shank for maximum compatibility Includes: 1/4 in., 3/8 in., and 1/2 in. adaptors