Thanks for your responses. I would never assume anything especially with this customer. The dimension is an Overall length. I was just looking if there is a standard way it should be written. I looked through specs and could not find anything when that specifically said when using double plus or...
I have a print with a dimension of 98,5 and it's tolerance is -0,3 and -0,2. I understand the ideas behind double minus or plus tolerancing. I do not completely agree with it but that is not the point here. Normally I am always used to seeing the max size on top and the min size on the bottom...