Wright Socket, Shape II Standard Length, Yes Impact Rated, Measurement System: Imperial, Square Drive, 1/2 in Drive, 15/16 in Socket, 1-11/16 in Overall Length, 29/32 in Opening Depth, 1-25/64 in Drive End Width, 1-25/64 in Socket End Width, Ball Locking, 12 Points, Alloy Steel, Black Oxide.Wright’s wide range of ratchets meet your every need: double-pawl ratchets in 3/8in and 1/2in drives provide ruggedness, extra strength, durability and fine tooth action. We also have the handles and attachments you’re looking for- from extensions and spinners to universals, flex handles and the exclusive twin flex