DEWALT Socket Set, Number of Pieces: 10, Includes: (3) 2-1/2 in, 5 in, 10 in, 1/2 in Drive Socket Drive Extensions, (1) 1/2 in x 3/4 in, 1/2 in Drive Increasing Socket Adapter, (1) 1/2 in Drive Universal Joint, (1) 1/2 in Drive Impact Universal Joint, (3) 3 in, 6 in, 10 in, 1/2 in Drive Impact Drive Extensions