Wright Socket, Shape I Standard Length, Impact Rated, Imperial, Square Drive, 1/2 in Drive, 9/16 in Socket, 1-1/2 in OAL, 21/64 in Opening Depth, 57/61 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.