25 piece special socket setits special 9 sockets with continuous openings for easy unscrewing of nuts eg on threaded rods overlong screws etc the socket wrenches are manufactured from the best chromium vanadium steel drive 38 hexagonal design matt chromium plated contents 9 sockets with continuous openings 38 drive 10 11 12 13 14 15 16 17 and 19mm 13 normal chromium vanadium socket wrench nuts 14 drive 4 45 5 55 6 7 8 9 10 11 12 13 and 14mm one reversible lever ratchet han