Set of 10 sockets on a steel rail
Material: CRV
Sizes:
1/4" #1(2.7 mm), #2(3 mm), #3(4 mm), #3.5(4.5 mm), #4(4.5 mm), #4.5(5 mm)
3/8" #5(6 mm), #6(7 mm), #7 (7.5 mm), #8(8.5 mm)
Inside the caps a magnet holding the tap
For use with a ratchet or knob