Sockets:Extended length (6" and 6 ½') impact grade sockets.3/4', 7/8', 15/16", 1-1/16', 1-1/8' and 1-1/4'. Constructed from high standard forged steel fit for strength, strong accuracy, durability and longevity; coated with black oxide finish fit for resistance to rust and corrosion.; a. Notice1.