Valve A6, A9, B7 et D7
The Leafield valve spanner is a tool compatible with A6/A9/C7/D7 valves that can be used to loosen or tighten your valve. This allows you to make adjustments yourself. This spanner is therefore a real tool for your repairs, or on a daily basis if you need to make adjustments.
The advantage? It's compatible with the A6, A9, B7 and D7 valves, so you only need one tool to tighten or remove all these valves.