1. 19 pcs uni-grip metric socket set contains 13 uni-grip sockets in 1/4 in.
2. Drive size: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, and 14mm sockets.
3. Uni-grip extension bar(50 & 150mm), 1 uni-grip sliding.
4. 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.