The DEWALT DT7506 17 Piece 1/2in Drive Impact Socket Set is manufactured to highest standards to ensure application durability. The sockets have a black oxide finish with lasered markings, making it easy to locate the correct size quickly. Supplied in a handy carry case, contains the following 16 x Impact Sockets 6, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 24 & 27mm 1 x 1/4in to 1/2in Adaptor