Wright Socket, Deep Length Shape II, Impact Rated, Imperial, Square Drive, 3/8 in Drive, 1/2 in Socket, 2-1/4 in OAL, 13/64 in Opening Depth, 3/4 in Drive End Width, 3/4 in Socket End Width, 6 Points, Alloy Steel, Black Oxide. Wright’s Wide Range of Ratchets Meet Your Every Need: Double-Pawl Ratchets in 3/8 in and 1/2 in 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.