I have been given an OPI stem and I'm not sure what length or rise the stem is. I could try measuring it but is there anyway of telling from the codes on the stem and face plate.
There are four codes.
6N-m torque setting for face plate bolts I assume.
100-D12 possibly 100mm long stem, not sure what the D12 is for.
Inside the stem there is a RE28 code.
On the face plate the code is RF11.
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Thread: OPI stem size and rise help