An 8 piece metric double ring spanner set from 6x7mm to 20x22mm with different bi-hexagonal openings at each end, all the heads are offset by 75degree. Supplied in a coloured display box only.
| Double ring spanners | 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22mm |