Socket kit with 1/4 drive square, in chrome-vanadium steel, hardened and tempered, with satin finish (11 units). Each cup has a knurled area for a better grip. They are delivered in a metal bar for safe storage. Contents: 5/32, 7/32, 1/4, 9/32, 1/8, 5/16, 11/32, 3/8, 7/16, 1/2 and 9/16