Heavy duty HERCULES™ Impact Rated Hex Shank Socket Drivers are designed with the TorqPoint™ Shock Absorbent Zone so that you can use your impact sockets with a standard drill/driver or impact driver. These adapters are constructed with advanced metallurgy to stand up to heavy use in impact tools. Quick change 1/4 in. hex shanks. Black oxide coating increases durability and prevents corrosion.