Spyder socket adapters are impact rated for demanding high torque 1/4-inch impacting applications. Drive 1/4, 3/8 and 1/2-in sockets with the power of your impacting driver or rotary drill with a 3-jaw chuck. A spring ball securely holds sockets in place for enhanced driving accuracy and one-handed ease of use. These one-piece socket adapters are engineered to exceed the demands of the professional tradesperson.