| http://www.w3.org/ns/prov#value | - I would say limited, but not negligible, so if you have a need to write in different colored inks, I think the old, tried-n-true 4-clicker is the way to go.In review: the action is fairly smooth, and I was unable to 'jam' the mechanism with any sort of reasonable action or force (though I am sure you *can* if you are determined to break it - it is only a plastic pen).
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