After a quality set but don't want to spend large $$? Have a large set already but missing those one or two sockets? Then this 8 Piece SCA Socket Set is ideal for you. Containing the most commonly used Imperial sizes, these 1/2 drive sockets are made from durable chrome vanadium steel (Cr-V) for added strength. This particular socket set includes sizes: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16.