1. 15 pcs Uni-Grip metric socket set contains 13 Uni-Grip sockets in 1/2 in.
2. Drive size: 7, 8, 10, 11, 12, 13, 14, 17, 19, 22, 24, and 27mm sockets.
3. 1 Uni-Grip extension bar(125mm); 1 uni-grip sliding t-handle; 1 uni-grip superman u-joint; 1 uni-grip spinner handle and 1-2.5 degree Nano-ratcher handle.
1. Uni-Grip raised ridges along the outer surface of the socket provide grater grip, prevent sockets from rolling, and aid in quick identification of drive size. 2 Ridges = 1/4 in.Drive, 3 Ridges = 3/8 in.Drive, 4 Ridges = 1/2 in.Drive. 2. Highly visible large size markings on 2 to 4 places around the outer surface of the socket for quick access and storage.