Cruisers are a different breed of consumers. We can't go to the store and purchase something new if an item fails. Often there isn't a store around and if there is it is will not have a replacement. In the Cook Islands the store consisted of a few old shipping containers. Anything boat related was over a 1,000 nm away. We look for items of quality, longevity, have good company support, and sometimes be personally repairable.
The following items fit into the Grade C group and have some of those characteristics but not all.