Magnetic socket spanner set made of tough chrome vanadium steel the magnet holds the hexagonal screw or hexagonal nut tightly so that even if you cant see the piece you are working on very well or if you are working in tight areas you can still work precisely the 14 hexagonal adapter means that you can use it in drills rechargeable screwdrivers as well as directly via the 14 bit holder total length 65 mm contents one of each socket spanner 6 7 8 9 10 11 12 13 mm